Water conditioner
Aquarium water conditioner for nano aquariums - reliable and valuable
Even if nano or shrimp aquariums are small and manageable, they still require certain conditions to ensure that their inhabitants feel comfortable and are viable. These include water conditioners, which treat the aquarium water so that crayfish, shrimps and snails can live in it at all. BB Handel specialises in aquariums, particularly in the maintenance and care of nano aquariums, and therefore offers you a selection of water conditioners that will support you sensibly and reliably in your plans to set up a nano aquarium.
Important ingredients and excellent quality
The aquarium water conditioners that you can find here in our shop naturally contain all the important ingredients and are characterised above all by their excellent quality. Cleaning bacteria, which are responsible for the breakdown of nitrite and ammonium, among other things, and biologically active enzymes in a balanced mixture fulfil all the requirements of the living organisms in nano aquariums. At the same time, minerals are added to the aquarium water in biologically necessary quantities from natural waters, so that this requirement for a long life is also met. The product "Toxivec" from our range of water conditioners also completely and reliably eliminates chlorine, chloramines, ammonium, ammonia and many other substances that are harmful or fatal to your animals.
Filter products

Average rating of 4.8 out of 5 stars
Sera Aquarium Filter Biostart Water Treatment – Effective Support for Biological Filtration Processes The Sera Aquarium Filter Biostart Water Treatment contains a specifically tailored mixture of cleaning bacteria and biologically active enzymes that promote the degradation of sludge and pollutants in the aquarium filter. This stabilizes the biological balance and improves water quality in the long term. Optimized Pollutant Reduction for a Healthy Aquarium Fish excretions, food leftovers, and decaying plants quickly accumulate as a sludge layer at the bottom of the aquarium and can impair water quality. The Sera Aquarium Filter Biostart Water Treatment supports the rapid breakdown of organic residues by increasing the activity of beneficial microorganisms in the filter. Perfect Combination with Other Water Care Products To achieve full effectiveness, the Sera Aquarium Filter Biostart Water Treatment can be combined with Sera Bio Nitrivec Aquarium Water Treatment. This combination ensures clear, pollutant-free aquarium water. Additionally, the use of high-performance filter media Sera Siporax Aquarium Filter Medium is recommended, as its high porosity provides an optimal colonization surface for microorganisms. Easy Application for Stable Water Quality The recommended dosage is 5 ml per 200 liters of aquarium water, applied directly to the filter sponge. The effect can be further enhanced by adding high-porosity filter material. With the Sera Aquarium Filter Biostart Water Treatment, aquarium enthusiasts get an effective solution for biological pollutant reduction, ensuring long-term stable water quality and healthy living conditions for fish and plants.
Content: 0.05 Liters (€159.00 / 1 Liters)

Average rating of 4.9 out of 5 stars
Sera Aquarium Mineral Salt Water Conditioner – Optimal Mineral Supply for a Healthy Aquarium The Sera Aquarium Mineral Salt Water Conditioner is the perfect solution for the targeted enrichment of osmosis and soft tap water with essential minerals. Thanks to its biologically necessary trace elements, it ensures balanced water quality that meets the individual needs of fish, plants, invertebrates, and microorganisms. Essential Minerals for a Stable Ecosystem The included minerals from natural waters provide the aquarium with calcium, magnesium, and potassium in their pure form. This promotes growth processes and prevents deficiency symptoms. KH-Neutral Formula – Perfect for Soft Water Tanks Thanks to the KH-neutral composition, the total hardness (GH) is only slightly increased, while the carbonate hardness (KH) remains unchanged. This makes the water conditioner ideal for discus aquariums and effectively protects against the feared hole-in-the-head disease. Versatile Benefits for Sustainable Care Improves reproductive ability and supports healthy offspring Strengthens the immune system and enhances disease resistance Optimizes scale development and promotes a strong skeleton Easy Application and Precise Dosage The recommended dosage is 5 g (approx. one level teaspoon) per 100 liters of water once a week. In cases of increased mineral demand, the amount can be adjusted individually. The standard dosage increases the GH by an average of 1.3 °dGH without affecting the KH. With Sera Aquarium Mineral Salt Water Conditioner, aquarium enthusiasts get a high-quality and effective solution for targeted mineral supply – for a stable, healthy, and species-appropriate aquarium.
Content: 0.105 kilogram (€85.24 / 1 kilogram)

Average rating of 4.8 out of 5 stars
Sera Aquarium Water Conditioner Toxivec – Immediate Aid for Clear and Healthy Water The Sera Aquarium Water Conditioner Toxivec is the ideal solution for quickly and effectively removing pollutants from aquarium water. It immediately eliminates chlorine, chloramines, ammonium, ammonia, and nitrite while preventing nitrate buildup, thus sustainably improving water quality. Effective Pollutant Neutralization for a Stable Biotope Thanks to its special formula, Toxivec binds heavy metals such as lead and copper and safely breaks down medication residues without affecting the biological balance. Especially after medication treatments, high stock density, or extensive cleaning procedures, it provides reliable first aid. Benefits of Sera Aquarium Water Conditioner Toxivec Immediately protects the fish stock Reduces algae growth by lowering pollutants Reduces the need for frequent water changes Application and Dosage for Optimal Results In cases of acute pollution, add 5 ml of Toxivec per 20 liters of water. For higher levels of contamination, the dosage can be increased up to five times and repeated as needed until water values stabilize. Note: Some soft-leaved aquarium plants may be sensitive to application. With Sera Aquarium Water Conditioner Toxivec, aquarium enthusiasts receive a reliable solution for rapid water purification – for a healthy and safe aquarium biotope.
Content: 0.1 Liters (€59.50 / 1 Liters)

Average rating of 4.8 out of 5 stars
Sera Aquatan Blackwater Water Treatment – Natural Blackwater Effect for Tropical Aquariums The Sera Aquatan Blackwater Water Treatment creates an authentic blackwater effect as found in tropical regions and optimizes water quality for fish, shrimp, and crabs. Thanks to the innovative Bio-Protect Formula, it transforms ordinary tap water into dark, clear, fish-friendly freshwater that simulates the natural conditions of tropical waters. Benefits of Sera Aquatan Blackwater Water Treatment Promotes vitality and natural coloration of ornamental fish Creates biotope-appropriate water that positively influences the behavior of aquarium inhabitants Instantly binds heavy metals such as lead and copper, protecting sensitive organisms pH-neutral – it does not alter the pH value and remains stable Reduces algae growth by limiting the light intensity in the aquarium or pond Long-lasting coloration for a permanent blackwater appearance Highly concentrated – allows for an efficient and cost-saving application Application and Dosage for the Ideal Blackwater Effect Add 10 ml per 50 liters of aquarium or pond water After dosing, the water may temporarily become cloudy – this is part of the active process After a few hours, the water will clear and take on the typical dark and clear tropical appearance With Sera Aquatan Blackwater Water Treatment, aquarium enthusiasts create a nature-like blackwater environment that provides a healthy atmosphere and optimal living conditions. Perfect for tropical fish species and biotope aquariums.
Content: 0.1 Liters (€69.50 / 1 Liters)

Average rating of 4.8 out of 5 stars
Sera Bio Nitrivec Aquarium Water Treatment – Biological Pollutant Control for Clear Water The Sera Bio Nitrivec Aquarium Water Treatment is a highly effective liquid filter medium that ensures effective reduction of ammonium and nitrite through millions of cleaning bacteria. By providing optimal colonization surfaces for bacteria, it supports the biological stability of the aquarium and ensures long-term healthy water. Natural Pollutant Degradation Mechanisms for a Stable Ecosystem Through degradation and excretion processes, toxins such as ammonium and nitrite can accumulate in the aquarium water. The Sera Bio Nitrivec Water Treatment helps quickly and continuously break down these harmful substances, ensuring stable water parameters and maintaining the biological balance. Mineral Volcanic Rock for Water Optimization Additionally, the product contains high-quality volcanic rock, which serves several important functions: Effective pollutant binding to prevent water cloudiness Excellent colonization surface for cleaning bacteria Contains essential minerals such as calcium, potassium, and magnesium, which are indispensable for the health of fish and plants Combination with Other Water Care Products for Optimal Effect In combination with Sera Aquatan Aquarium Water Treatment, a new fish stock can be added to the aquarium after just 24 hours. Additionally, the effect can be further enhanced by using high-performance filter media Sera Siporax. Advanced Formula for Maximum Efficiency The Sera Bio Nitrivec Aquarium Water Treatment is the optimized development of the classic Sera Nitrivec, with improved bacterial culture and more efficient pollutant reduction. With Sera Bio Nitrivec Aquarium Water Treatment, aquarium enthusiasts receive a powerful, biological filter medium that ensures crystal-clear, healthy, and biologically active water – perfect for freshwater and marine aquariums.
Content: 0.05 Liters (€99.00 / 1 Liters)


























































































































































