KCL Solution: The Optimal Storage Solution for Your pH Electrodes Key Features: Reliable electrode maintenance: Specially developed to preserve the measuring accuracy of your pH electrodes over time Extends electrode lifespan: Using KCL solution significantly increases the lifespan of your pH electrodes Easy to use: Allows for simple storage and maintenance of your pH electrodes Compatible with all pH electrodes: Universally suitable for all common types of pH electrodes Product Description: KCL solution is an essential storage fluid specifically designed for the care and maintenance of pH electrodes. It plays a crucial role in ensuring the longevity and accuracy of your electrodes. Regular use of KCL solution prevents the sensitive membrane of the pH electrode from drying out, thereby preserving its functionality and measurement precision. By storing your pH electrodes in KCL solution when not in use, you maintain an optimal moisture balance, which is vital for accurate pH readings in water samples. Its ease of use and universal compatibility make KCL solution an indispensable part of electrode maintenance in both laboratories and aquatics. Instructions for Use: Fill the storage container of your pH electrode with KCL solution until the membrane is fully submerged. Ensure the container is tightly sealed to prevent evaporation. Check and replace the KCL solution regularly to maintain optimal storage conditions for your pH electrodes.

Radiant Elegance: Trocal Style Two (6 W) LED Aquarium Light Key Features: Modern design: Compact and stylish, fits any aquarium décor. Vibrant color display: Natural color rendering of aquarium inhabitants. Optimal color temperature: 6500 Kelvin for daylight-like illumination. Efficient light output: 800 lumens provide excellent plant growth lighting. Innovative cooling fins: Enhanced rear cooling for longer LED lifespan. Product Description: The Trocal Style Two (6 W) LED aquarium light combines modern design with technical sophistication. With a power rating of 6 watts and a color temperature of 6500 Kelvin—comparable to natural daylight—it bathes your aquarium in vivid, lifelike light. This benefits not only the viewer’s experience but also supports the health and growth of your aquatic plants. Offering a strong 800-lumen output and equipped with innovative rear cooling fins, this LED light is built to last. The Trocal Style Two is more than just a light source—it’s a piece of advanced aquarium technology that highlights the natural beauty of your underwater world.

Radiant Elegance: Trocal Style Two (8 W) LED Aquarium Light Key Features: Modern design: Compact and stylish, fits seamlessly into any aquarium décor. Vivid color rendering: Natural color reproduction of your aquarium inhabitants. Optimal color temperature: 6500 Kelvin for daylight-like illumination. Efficient light output: 1280 lumens provide excellent lighting for plant growth. Innovative cooling fins: Enhanced rear cooling extends LED lifespan. Product Description: The Trocal Style Two (8 W) LED aquarium light combines modern design with technical refinement. With a power output of 8 watts and a color temperature of 6500 Kelvin—equivalent to daylight—it immerses your aquarium in vibrant, natural light. This not only enhances visual appeal but also supports the health and growth of your aquatic plants. The LED light delivers a powerful 1280 lumens and features innovative rear cooling fins for extended durability. The Trocal Style Two is more than just a light source—it's a piece of advanced aquarium technology that brings out the natural beauty of your underwater world.

Trocal Flat: Brightness in a Slim Design Key Features: Stylish, slim design: Elegantly fits into any interior setting. Efficient LED technology: Encased in a durable aluminum housing. Brilliant illumination: Produces bright and natural light for a vibrant underwater world. Promotes plant growth: Spectrum and brightness are tailored to the needs of aquarium plants. Low-voltage safety: Operates on low voltage, ensuring safety for both the aquarium and its surroundings. Easy installation: “Plug & Play” for hassle-free setup and immediate operation. Product Description: The Trocal Flat LED aquarium light combines aesthetics with functionality. Its slim, modern design makes it an eye-catcher while bathing the aquarium in natural, lively light. It promotes plant growth with a light spectrum of 6,500 Kelvin—similar to daylight—creating optimal conditions for freshwater aquariums. Safety is a priority thanks to low-voltage operation, making it especially suitable for family households. Installation is extremely simple and user-friendly thanks to the plug & play system.

Trocal Flat: Brightness in a Slim Design Key Features: Stylish, slim design: Elegantly fits into any interior setting. Efficient LED technology: Encased in a durable aluminum housing. Brilliant illumination: Produces bright and natural light for a vibrant underwater world. Promotes plant growth: Spectrum and brightness are tailored to the needs of aquarium plants. Low-voltage safety: Operates on low voltage, ensuring safety for both the aquarium and its surroundings. Easy installation: “Plug & Play” for hassle-free setup and immediate operation. Product Description: The Trocal Flat LED aquarium light combines aesthetics with functionality. Its slim, modern design makes it an eye-catcher while bathing the aquarium in natural, lively light. It promotes plant growth with a light spectrum of 6,500 Kelvin—similar to daylight—creating optimal conditions for freshwater aquariums. Safety is a priority thanks to low-voltage operation, making it especially suitable for family households. Installation is extremely simple and user-friendly thanks to the plug & play system.

Aqua Elixir: Safe Protection for Your Freshwater Aquarium Key Features: Instant Chlor Neutralization: Makes tap water safe for aquarium inhabitants. Binds Heavy Metals: Neutralizes toxic metals such as copper and lead. Protective Formula for Fish: Shields gills, mucous membranes, and fins with protective colloids. With Moringa Leaf Extract: Contains extracts from the nutrient-rich Moringa tree. Ideal for Every Water Change: Transforms tap water into safe aquarium water. High Yield: 100 ml treats up to 500 liters of water. Product Description: Aqua Elixir is a water conditioner specially developed for use in freshwater aquariums. It is perfect for every water change and ensures a safe and healthy environment for your fish and plants. The elixir instantly neutralizes harmful chlorine and binds toxic heavy metals like copper and lead that may be present in tap water. Its advanced formula with high-quality protective colloids helps protect the gills, mucous membranes, and fins of your fish. A special ingredient in Aqua Elixir is the valuable Moringa leaf extract – known as the “Tree of Life” – which is praised for its nutrient-rich properties. With just 100 ml treating up to 500 liters of aquarium water, Aqua Elixir is highly economical and an efficient solution for keeping your water safe and healthy during every water change. It’s an essential product for any aquarist who values the health and well-being of their aquatic life.

Aqua Elixir: Safe Protection for Your Freshwater Aquarium Key Features: Instant Chlor Neutralization: Makes tap water safe for aquarium inhabitants. Binds Heavy Metals: Neutralizes toxic metals such as copper and lead. Protective Formula for Fish: Shields gills, mucous membranes, and fins with protective colloids. With Moringa Leaf Extract: Contains extracts from the nutrient-rich Moringa tree. Ideal for Every Water Change: Transforms tap water into safe aquarium water. High Yield: 100 ml treats up to 500 liters of water. Product Description: Aqua Elixir is a water conditioner specially developed for use in freshwater aquariums. It is perfect for every water change and ensures a safe and healthy environment for your fish and plants. The elixir instantly neutralizes harmful chlorine and binds toxic heavy metals like copper and lead that may be present in tap water. Its advanced formula with high-quality protective colloids helps protect the gills, mucous membranes, and fins of your fish. A special ingredient in Aqua Elixir is the valuable Moringa leaf extract – known as the “Tree of Life” – which is praised for its nutrient-rich properties. With just 100 ml treating up to 500 liters of aquarium water, Aqua Elixir is highly economical and an efficient solution for keeping your water safe and healthy during every water change. It’s an essential product for any aquarist who values the health and well-being of their aquatic life.

Vital Elixir: Mineral Power for Your Aquarium Key Features: Essential trace elements: Specifically adds vital minerals like iron, zinc, manganese, molybdenum, and lithium. Promotes health: Helps prevent deficiencies and supports the well-being of your aquarium inhabitants. Iodine for thyroid function: Includes iodine to support healthy thyroid activity. Vitamin B complex: Reduces stress and strengthens the immune system. With Aloe Vera: Provides additional care and enhances well-being. Ideal for reverse osmosis water: Perfect for enriching RO water with essential trace elements. Weekly application: Regular use ensures consistent water quality and mineral supply. Product Description: Vital Elixir is a valuable supplement for your freshwater aquarium, specifically designed to provide the trace elements essential for the health and vibrant coloration of your fish. Its balanced formula helps prevent diseases caused by trace element deficiencies and supports a healthy, resilient fish population. It is particularly recommended for use with reverse osmosis water, helping to restore the essential minerals it lacks. Weekly application of Vital Elixir contributes to a well-balanced mineral profile and actively supports the health of your fish.

Vital Elixir: Mineral Power for Your Aquarium Key Features: Essential trace elements: Specifically adds vital minerals like iron, zinc, manganese, molybdenum, and lithium. Promotes health: Helps prevent deficiencies and supports the well-being of your aquarium inhabitants. Iodine for thyroid function: Includes iodine to support healthy thyroid activity. Vitamin B complex: Reduces stress and strengthens the immune system. With Aloe Vera: Provides additional care and enhances well-being. Ideal for reverse osmosis water: Perfect for enriching RO water with essential trace elements. Weekly application: Regular use ensures consistent water quality and mineral supply. Product Description: Vital Elixir is a valuable supplement for your freshwater aquarium, specifically designed to provide the trace elements essential for the health and vibrant coloration of your fish. Its balanced formula helps prevent diseases caused by trace element deficiencies and supports a healthy, resilient fish population. It is particularly recommended for use with reverse osmosis water, helping to restore the essential minerals it lacks. Weekly application of Vital Elixir contributes to a well-balanced mineral profile and actively supports the health of your fish.

Dennerle Clear Water Elixir: The Cleaning Miracle for Your Aquarium Key Features: Rapid Water Clarification: Removes cloudiness, discoloration, odors, ammonium, heavy metals, and more. Long-Term Improvement: Promotes healthy and active fish by optimizing water quality. Natural Action: Works like a cleansing summer rain, with mineral particles binding pollutants like magnets.   Product Description: Dennerle Clear Water Elixir is a liquid filter medium specially designed to quickly and sustainably improve water quality in your aquarium. Within just 12 to 24 hours, it effectively removes even the finest particles, discoloration, unpleasant odors, ammonium, heavy metals, medication residues, and other pollutants from the water. Similar to a cleansing summer rain, the mineral particles attract impurities, leaving your aquarium sparkling clean. The elixir contributes to the vitality and health of your fish by creating an optimal environment. Your fish will feel visibly better, become more active, and display more vibrant colors. Additionally, it reduces the risk of skin diseases and accelerates the healing of existing slime coat damage. Even young fish benefit from the improved water quality, promoting faster and more balanced growth. Usage: For continuous care and maintenance of water quality, it is recommended to add 20 ml of the elixir per 100 liters of aquarium water weekly. In cases of increased need, such as water discoloration or unpleasant odors, the dosage can be increased to 40 ml per 100 liters of aquarium water. Transform your aquarium into a crystal-clear and healthy underwater world with Dennerle Clear Water Elixir, where your fish will feel completely at home.

Dennerle Clear Water Elixir: The Cleaning Miracle for Your Aquarium Key Features: Rapid Water Clarification: Removes cloudiness, discoloration, odors, ammonium, heavy metals, and more. Long-Term Improvement: Promotes healthy and active fish by optimizing water quality. Natural Action: Works like a cleansing summer rain, with mineral particles binding pollutants like magnets.   Product Description: Dennerle Clear Water Elixir is a liquid filter medium specially designed to quickly and sustainably improve water quality in your aquarium. Within just 12 to 24 hours, it effectively removes even the finest particles, discoloration, unpleasant odors, ammonium, heavy metals, medication residues, and other pollutants from the water. Similar to a cleansing summer rain, the mineral particles attract impurities, leaving your aquarium sparkling clean. The elixir contributes to the vitality and health of your fish by creating an optimal environment. Your fish will feel visibly better, become more active, and display more vibrant colors. Additionally, it reduces the risk of skin diseases and accelerates the healing of existing slime coat damage. Even young fish benefit from the improved water quality, promoting faster and more balanced growth. Usage: For continuous care and maintenance of water quality, it is recommended to add 20 ml of the elixir per 100 liters of aquarium water weekly. In cases of increased need, such as water discoloration or unpleasant odors, the dosage can be increased to 40 ml per 100 liters of aquarium water. Transform your aquarium into a crystal-clear and healthy underwater world with Dennerle Clear Water Elixir, where your fish will feel completely at home.

Bacto Elixier FB7: Comprehensive Bacterial Care for Aquariums Key Features: Live Bacterial Culture: Contains 15 million bacteria per milliliter at the time of bottling. Effective Pollutant Removal: Breaks down ammonia, nitrite, and organic waste. Biological Activation: Ideal for activating filter media and substrate. Reduces Cleaning Effort: Supports the breakdown of detritus and organic pollutants. Enhances Water Quality: Strengthens the aquarium's self-cleaning capabilities. Fish Well-Being: Reduces stress and promotes health and water clarity.   Product Description: DENNERLE Bacto Elixier FB7 is a highly effective blend of selected live cleaning bacteria specifically developed for freshwater aquariums. This concentrated bacterial solution becomes active immediately upon introduction into the aquarium, starting to break down pollutants without delay. The nitrifying bacteria in the elixir eliminate harmful substances such as ammonia and nitrite, while special detritus-reducing bacteria help break down organic sludge at the substrate and in the filter. Additionally, the elixir contains bacterial strains that feed on plant and food residues, fish waste, and organic particulates, resulting in cleaner, clearer water. Bacto Elixier FB7 strengthens the self-cleaning mechanisms of the aquarium, leading to improved water quality and reduced stress levels for fish. This elixir is ideal for aquarists seeking an effective solution to support a healthy and stable ecosystem in their freshwater aquariums.

Bacto Elixier FB7: Comprehensive Bacterial Care for Aquariums Key Features: Live Bacterial Culture: Contains 15 million bacteria per milliliter at the time of bottling. Effective Pollutant Removal: Breaks down ammonia, nitrite, and organic waste. Biological Activation: Ideal for activating filter media and substrate. Reduces Cleaning Effort: Supports the breakdown of detritus and organic pollutants. Enhances Water Quality: Strengthens the aquarium's self-cleaning capabilities. Fish Well-Being: Reduces stress and promotes health and water clarity.   Product Description: DENNERLE Bacto Elixier FB7 is a highly effective blend of selected live cleaning bacteria specifically developed for freshwater aquariums. This concentrated bacterial solution becomes active immediately upon introduction into the aquarium, starting to break down pollutants without delay. The nitrifying bacteria in the elixir eliminate harmful substances such as ammonia and nitrite, while special detritus-reducing bacteria help break down organic sludge at the substrate and in the filter. Additionally, the elixir contains bacterial strains that feed on plant and food residues, fish waste, and organic particulates, resulting in cleaner, clearer water. Bacto Elixier FB7 strengthens the self-cleaning mechanisms of the aquarium, leading to improved water quality and reduced stress levels for fish. This elixir is ideal for aquarists seeking an effective solution to support a healthy and stable ecosystem in their freshwater aquariums.

Aquarium Starter Rapid: Quick Start for Your Aquarium Key Features: Highly Concentrated Bacterial Culture: Contains 500 million bacteria per milliliter at bottling. Biological Activation: Quickly activates filter material and substrate. Safe Setup: Enables a fast and secure aquarium start. Toxin Removal: Breaks down ammonia and nitrite, detoxifying the water. Quick Fish Stocking: Ready for fish stocking just 24 hours after application. Two-Component System: Contains live filter bacteria and bacterial booster nutrient solution. Efficient Nitrification: Converts ammonia to nitrite and then to nitrate. Denitrification: Reduces nitrate levels by converting it into gaseous nitrogen.   Product Description: Dennerle Aquarium Starter Rapid is an effective solution for the quick and safe setup of newly established aquariums. This concentrate biologically activates both the filter material and the substrate, contributing to a healthy ecosystem. The product comprises a mixed culture of live cleaning and filter bacteria, complemented by a special nutrient solution that promotes the growth and multiplication of these bacteria. By applying Aquarium Starter Rapid, you can introduce your first fish just 24 hours after setup. Powerful nitrification bacteria (Nitrosomonas, Nitrobacter) convert harmful ammonia to nitrite and then to nitrate, effectively detoxifying the water. Simultaneously, denitrifying bacteria (Paracoccus) reduce nitrate levels in anaerobic areas of the aquarium by converting it into gaseous nitrogen. Additionally, the bacteria help break down organic waste, such as plant and food debris, fish excretions, and organic particulates, significantly improving water quality. Aquarium Starter Rapid is an excellent choice for aquarists who want to ensure a quick and secure start for their aquarium.

ATTENTION: THIS IS THE INTERNATIONAL VERSION OF THE PRODUCT. FOR THE GERMAN VERSION, PLEASE ORDER ITEM NUMBER 23d2757! Bacto Elixir Bio: Powerful Bacterial Culture for Your Aquarium Product Features: Highly Concentrated Bacterial Culture: Contains 100 million bacteria per milliliter at the time of bottling. Biological Activation: Ideal for activating filter material and substrate. Breakdown of Organic Waste: Effectively decomposes fish excrement, food, and plant debris. Detoxification: Helps remove toxins such as ammonia. Reduced Cleaning Effort: Supports the biological breakdown of sludge. Versatile Application: Suitable after filter cleanings, new fish additions, and medication use. Product Description: Bacto Elixir Bio is a powerful concentrate of live cleaning and filter bacteria specifically designed for use in freshwater aquariums. With its high concentration of 100 million bacteria per milliliter at bottling, this elixir is perfect for enhancing biological activity in filter materials and substrate, supporting the aquatic ecosystem. Bacto Elixir Bio is particularly useful after any filter cleaning, when introducing new fish, after medication use, or during periods of increased sludge buildup. It helps break down organic waste such as fish excrement, leftover food, and plant debris, while also removing toxins like ammonia. This results in a cleaner, healthier environment for your aquarium inhabitants and reduces the maintenance effort required. The additional microorganisms are especially important when increasing your fish population, as the existing bacteria in the filter need to adapt to the increased amount of waste products. With Bacto Elixir Bio, you ensure a robust and healthy bacterial flora in your aquarium, improving water quality and promoting the well-being of your fish and plants.

Proven Quality: Crystal Quartz Gravel 1-2 mm Key Features: Bio-Function: Effectively supports the aquarium's ecosystem. CO2 Resistant: Ideal for plant growth and CO2 supply. Lightfast and Water Neutral: Retains natural color without affecting water quality. Fine Grain Size: 1-2 mm, optimal for bottom-dwelling fish and plants with delicate root systems. Safe for Aquatic Life: Rounded edges prevent injuries.   Product Description: Crystal Quartz Gravel with a 1-2 mm grain size is a trusted classic from Dennerle, making it a top choice for aquarium enthusiasts for decades. This gravel not only provides a visually appealing aesthetic but also ensures perfect biological functionality in the aquarium without hardening the water. It is lightfast, CO2-resistant, and retains its natural color even after years of use. The gravel is water neutral and completely free of harmful substances, making it an environmentally friendly option. The fine grain size benefits bottom-dwelling fish and minimizes dirt accumulation, while the rounded edges protect aquatic life from injuries. Crystal Quartz Gravel offers an excellent surface for the settlement of beneficial bacteria, making it an essential component for a healthy aquarium ecosystem. Dennerle Crystal Quartz Gravel does not require pre-washing (exception: natural white color).

Proven Quality: Crystal Quartz Gravel 1-2 mm Key Features: Bio-Function: Effectively supports the aquarium's ecosystem. CO2 Resistant: Ideal for plant growth and CO2 supply. Lightfast and Water Neutral: Retains natural color without affecting water quality. Fine Grain Size: 1-2 mm, optimal for bottom-dwelling fish and plants with delicate root systems. Safe for Aquatic Life: Rounded edges prevent injuries.   Product Description: Crystal Quartz Gravel with a 1-2 mm grain size is a trusted classic from Dennerle, making it a top choice for aquarium enthusiasts for decades. This gravel not only provides a visually appealing aesthetic but also ensures perfect biological functionality in the aquarium without hardening the water. It is lightfast, CO2-resistant, and retains its natural color even after years of use. The gravel is water neutral and completely free of harmful substances, making it an environmentally friendly option. The fine grain size benefits bottom-dwelling fish and minimizes dirt accumulation, while the rounded edges protect aquatic life from injuries. Crystal Quartz Gravel offers an excellent surface for the settlement of beneficial bacteria, making it an essential component for a healthy aquarium ecosystem. Dennerle Crystal Quartz Gravel does not require pre-washing (exception: natural white color).

Proven Quality: Crystal Quartz Gravel 1-2 mm Key Features: Bio-Function: Effectively supports the aquarium's ecosystem. CO2 Resistant: Ideal for plant growth and CO2 supply. Lightfast and Water Neutral: Retains natural color without affecting water quality. Fine Grain Size: 1-2 mm, optimal for bottom-dwelling fish and plants with delicate root systems. Safe for Aquatic Life: Rounded edges prevent injuries.   Product Description: Crystal Quartz Gravel with a 1-2 mm grain size is a trusted classic from Dennerle, making it a top choice for aquarium enthusiasts for decades. This gravel not only provides a visually appealing aesthetic but also ensures perfect biological functionality in the aquarium without hardening the water. It is lightfast, CO2-resistant, and retains its natural color even after years of use. The gravel is water neutral and completely free of harmful substances, making it an environmentally friendly option. The fine grain size benefits bottom-dwelling fish and minimizes dirt accumulation, while the rounded edges protect aquatic life from injuries. Crystal Quartz Gravel offers an excellent surface for the settlement of beneficial bacteria, making it an essential component for a healthy aquarium ecosystem. Dennerle Crystal Quartz Gravel does not require pre-washing (exception: natural white color).

Proven Quality: Crystal Quartz Gravel 1-2 mm Key Features: Bio-Function: Effectively supports the aquarium's ecosystem. CO2 Resistant: Ideal for plant growth and CO2 supply. Lightfast and Water Neutral: Retains natural color without affecting water quality. Fine Grain Size: 1-2 mm, optimal for bottom-dwelling fish and plants with delicate root systems. Safe for Aquatic Life: Rounded edges prevent injuries.   Product Description: Crystal Quartz Gravel with a 1-2 mm grain size is a trusted classic from Dennerle, making it a top choice for aquarium enthusiasts for decades. This gravel not only provides a visually appealing aesthetic but also ensures perfect biological functionality in the aquarium without hardening the water. It is lightfast, CO2-resistant, and retains its natural color even after years of use. The gravel is water neutral and completely free of harmful substances, making it an environmentally friendly option. The fine grain size benefits bottom-dwelling fish and minimizes dirt accumulation, while the rounded edges protect aquatic life from injuries. Crystal Quartz Gravel offers an excellent surface for the settlement of beneficial bacteria, making it an essential component for a healthy aquarium ecosystem. Dennerle Crystal Quartz Gravel does not require pre-washing (exception: natural white color).

Proven Quality: Crystal Quartz Gravel 1-2 mm Key Features: Bio-Function: Effectively supports the aquarium's ecosystem. CO2 Resistant: Ideal for plant growth and CO2 supply. Lightfast and Water Neutral: Retains natural color without affecting water quality. Fine Grain Size: 1-2 mm, optimal for bottom-dwelling fish and plants with delicate root systems. Safe for Aquatic Life: Rounded edges prevent injuries.   Product Description: Crystal Quartz Gravel with a 1-2 mm grain size is a trusted classic from Dennerle, making it a top choice for aquarium enthusiasts for decades. This gravel not only provides a visually appealing aesthetic but also ensures perfect biological functionality in the aquarium without hardening the water. It is lightfast, CO2-resistant, and retains its natural color even after years of use. The gravel is water neutral and completely free of harmful substances, making it an environmentally friendly option. The fine grain size benefits bottom-dwelling fish and minimizes dirt accumulation, while the rounded edges protect aquatic life from injuries. Crystal Quartz Gravel offers an excellent surface for the settlement of beneficial bacteria, making it an essential component for a healthy aquarium ecosystem. Dennerle Crystal Quartz Gravel does not require pre-washing (exception: natural white color).

Proven Quality: Crystal Quartz Gravel 1-2 mm Key Features: Bio-Function: Effectively supports the aquarium's ecosystem. CO2 Resistant: Ideal for plant growth and CO2 supply. Lightfast and Water Neutral: Retains natural color without affecting water quality. Fine Grain Size: 1-2 mm, optimal for bottom-dwelling fish and plants with delicate root systems. Safe for Aquatic Life: Rounded edges prevent injuries.   Product Description: Crystal Quartz Gravel with a 1-2 mm grain size is a trusted classic from Dennerle, making it a top choice for aquarium enthusiasts for decades. This gravel not only provides a visually appealing aesthetic but also ensures perfect biological functionality in the aquarium without hardening the water. It is lightfast, CO2-resistant, and retains its natural color even after years of use. The gravel is water neutral and completely free of harmful substances, making it an environmentally friendly option. The fine grain size benefits bottom-dwelling fish and minimizes dirt accumulation, while the rounded edges protect aquatic life from injuries. Crystal Quartz Gravel offers an excellent surface for the settlement of beneficial bacteria, making it an essential component for a healthy aquarium ecosystem. Dennerle Crystal Quartz Gravel does not require pre-washing (exception: natural white color).

Proven Quality: Crystal Quartz Gravel 1-2 mm Key Features: Bio-Function: Effectively supports the aquarium's ecosystem. CO2 Resistant: Ideal for plant growth and CO2 supply. Lightfast and Water Neutral: Retains natural color without affecting water quality. Fine Grain Size: 1-2 mm, optimal for bottom-dwelling fish and plants with delicate root systems. Safe for Aquatic Life: Rounded edges prevent injuries.   Product Description: Crystal Quartz Gravel with a 1-2 mm grain size is a trusted classic from Dennerle, making it a top choice for aquarium enthusiasts for decades. This gravel not only provides a visually appealing aesthetic but also ensures perfect biological functionality in the aquarium without hardening the water. It is lightfast, CO2-resistant, and retains its natural color even after years of use. The gravel is water neutral and completely free of harmful substances, making it an environmentally friendly option. The fine grain size benefits bottom-dwelling fish and minimizes dirt accumulation, while the rounded edges protect aquatic life from injuries. Crystal Quartz Gravel offers an excellent surface for the settlement of beneficial bacteria, making it an essential component for a healthy aquarium ecosystem. Dennerle Crystal Quartz Gravel does not require pre-washing (exception: natural white color).

Proven Quality: Crystal Quartz Gravel 1-2 mm Key Features: Bio-Function: Effectively supports the aquarium's ecosystem. CO2 Resistant: Ideal for plant growth and CO2 supply. Lightfast and Water Neutral: Retains natural color without affecting water quality. Fine Grain Size: 1-2 mm, optimal for bottom-dwelling fish and plants with delicate root systems. Safe for Aquatic Life: Rounded edges prevent injuries.   Product Description: Crystal Quartz Gravel with a 1-2 mm grain size is a trusted classic from Dennerle, making it a top choice for aquarium enthusiasts for decades. This gravel not only provides a visually appealing aesthetic but also ensures perfect biological functionality in the aquarium without hardening the water. It is lightfast, CO2-resistant, and retains its natural color even after years of use. The gravel is water neutral and completely free of harmful substances, making it an environmentally friendly option. The fine grain size benefits bottom-dwelling fish and minimizes dirt accumulation, while the rounded edges protect aquatic life from injuries. Crystal Quartz Gravel offers an excellent surface for the settlement of beneficial bacteria, making it an essential component for a healthy aquarium ecosystem. Dennerle Crystal Quartz Gravel does not require pre-washing (exception: natural white color).

Proven Quality: Crystal Quartz Gravel 1-2 mm Key Features: Bio-Function: Effectively supports the aquarium's ecosystem. CO2 Resistant: Ideal for plant growth and CO2 supply. Lightfast and Water Neutral: Retains natural color without affecting water quality. Fine Grain Size: 1-2 mm, optimal for bottom-dwelling fish and plants with delicate root systems. Safe for Aquatic Life: Rounded edges prevent injuries.   Product Description: Crystal Quartz Gravel with a 1-2 mm grain size is a trusted classic from Dennerle, making it a top choice for aquarium enthusiasts for decades. This gravel not only provides a visually appealing aesthetic but also ensures perfect biological functionality in the aquarium without hardening the water. It is lightfast, CO2-resistant, and retains its natural color even after years of use. The gravel is water neutral and completely free of harmful substances, making it an environmentally friendly option. The fine grain size benefits bottom-dwelling fish and minimizes dirt accumulation, while the rounded edges protect aquatic life from injuries. Crystal Quartz Gravel offers an excellent surface for the settlement of beneficial bacteria, making it an essential component for a healthy aquarium ecosystem. Dennerle Crystal Quartz Gravel does not require pre-washing (exception: natural white color).

Proven Quality: Crystal Quartz Gravel 1-2 mm Key Features: Bio-Function: Effectively supports the aquarium's ecosystem. CO2 Resistant: Ideal for plant growth and CO2 supply. Lightfast and Water Neutral: Retains natural color without affecting water quality. Fine Grain Size: 1-2 mm, optimal for bottom-dwelling fish and plants with delicate root systems. Safe for Aquatic Life: Rounded edges prevent injuries.   Product Description: Crystal Quartz Gravel with a 1-2 mm grain size is a trusted classic from Dennerle, making it a top choice for aquarium enthusiasts for decades. This gravel not only provides a visually appealing aesthetic but also ensures perfect biological functionality in the aquarium without hardening the water. It is lightfast, CO2-resistant, and retains its natural color even after years of use. The gravel is water neutral and completely free of harmful substances, making it an environmentally friendly option. The fine grain size benefits bottom-dwelling fish and minimizes dirt accumulation, while the rounded edges protect aquatic life from injuries. Crystal Quartz Gravel offers an excellent surface for the settlement of beneficial bacteria, making it an essential component for a healthy aquarium ecosystem. Dennerle Crystal Quartz Gravel does not require pre-washing (exception: natural white color).