Tetra Filter Active 250ml

Accelerates degradation of pollutants like ammonia and nitrite - Optimises cleaning performance of the filter for clear water - Maintains a biologically balanced aquarium - Promotes good water parameters and well being of fish - Boosts filtration after fi

 Stores where to buy this product

Sponsored  This site contains affiliate links for which we may receive compensation. More information
This product has not been found in any sponsored store recently, please check similar products from our sponsors or review other stores we offer where you may find the product.

 Similar products

Sponsored


CHECK PRODUCTS/PRICES ON THE WEBSITE

Tetra FilterActive 250ml

The Tetra FilterActive 250ml is a specialized aquarium additive designed to maintain and enhance the biological filtration system of freshwater tanks. By introducing a blend of live starter bacteria and sludge‑reducing cleaning bacteria, this product ensures that your filter remains biologically active while simultaneously minimizing particulate buildup.

Key Features

  • Live Starter Bacteria: These microorganisms colonize the filter media quickly, establishing a robust nitrifying community that converts harmful ammonia into nitrite and then nitrate.
  • Sludge‑Reducing Cleaning Bacteria: They break down organic waste and detritus, preventing sludge accumulation and keeping filter surfaces clear for optimal water flow.
  • 2-in-1 Blend: The dual-action formula eliminates the need for separate treatments, simplifying tank maintenance.
  • 250 ml Capacity: A convenient volume that supports medium to large freshwater aquariums, providing a long‑lasting effect with each application.

How It Works

The product is added directly to the filter media or water column. Once introduced, the live bacteria begin to proliferate, forming biofilms on the filter surfaces. These biofilms act as a living ecosystem that continuously processes nitrogenous waste. Meanwhile, the cleaning bacteria consume excess organic matter, reducing the formation of sludge and keeping the filter media free from clogging.

Benefits for Your Aquarium

  • Stable Water Chemistry: By accelerating nitrification, the product helps maintain low ammonia and nitrite levels, creating a safer environment for fish and invertebrates.
  • Reduced Maintenance: Less sludge means fewer filter cleanings, saving time and effort for hobbyists.
  • Improved Clarity: Cleaner filter media results in clearer water, enhancing the visual appeal of your tank.
  • Enhanced Biological Stability: A healthy bacterial population supports overall ecosystem resilience, especially during new fish introductions or tank cycling.

Application Guidelines

  1. Measure the recommended dose (typically one capsule per 10 L of water) and open the capsule.
  2. Pour the contents directly into the filter media or onto the substrate if desired.
  3. Allow the bacteria to establish for at least 24–48 hours before adding new fish or performing major changes.
  4. Repeat dosing every 4–6 weeks, depending on tank size and bioload, to maintain optimal bacterial levels.

Compatibility

The Tetra FilterActive 250ml is suitable for:

  • Freshwater community tanks
  • Reptile and amphibian enclosures that require clean water conditions
  • Any aquarium setup where biological filtration is a priority

Safety and Handling

This product contains live microorganisms but poses no risk to fish or humans when used as directed. Keep the capsule sealed until use, store it in a cool, dry place, and avoid exposure to extreme temperatures.

Conclusion

The Tetra FilterActive 250ml offers a comprehensive solution for maintaining a healthy, biologically active filter while reducing sludge buildup. Its dual‑action formula simplifies aquarium care, promotes stable water parameters, and enhances overall tank aesthetics. By incorporating this additive into your routine, you support the natural processes that keep your aquatic environment thriving.


This product in Comparor
Category
This product is cataloged in our store in these categories
International
Find this product in one of our international stores
be
36.13 EUR
fr
14.02 EUR
es
13.23 EUR
cr
at
10.09 EUR
de
12.77 EUR
Colors
Predominant colors of the product
Tags Tetra Filter Active
Identifiers
Brand Tetra

Tetra is a brand of aquarium products, including filters, food, and tanks. The company was founded in Germany in the 1940s, and has since become a leading provider of aquarium products worldwide. Tetra's products are known for their quality and reliability, and the company has a strong reputation for customer service.
MPN Tetra 247079
ID 20314895
Dimensions / Weight
Key Features

Related articles

High-quality fish food that promotes healthy fish and clear waters. Contains essential nutrients and vitamins to support fish growth and immunity. Easy-to-digest flakes for all tropical fish species.
Upgrade your aquarium with the Tetra Fresh Water Tropical Taps for TetraTec EX 1200. Perfect for external filters, these taps ensure precise control and easy maintenance of water levels in your aquatic environment.
Filter pack set: 2x Easy Crystal C250/300 with activated carbon, 3 filters each - The innovative Easy Crystal Filter Pack C 250/300 is suitable for the Easy Crystal Filter 250 and for the Easy Crystal Filter Box 300. - For crystal clear, healthy water. In
Filtros interiores potentes y confortables para la filtraciòn mecànica,biològic a y quìmica.Homologado por el TÜV/GS.//2 años de garantia//Esponja filtrante bi ològica y filtro de carbòn activo disponibles com MODEL: IN400
Filtros interiores potentes y confortables para la filtraciòn mecànica,biològic a y quìmica.Homologado por el TÜV/GS.//2 años de garantia//Esponja filtrante bi ològica y filtro de carbòn activo disponibles com MODEL: IN400
It acts by fixing the algae in suspension.It is very easy to dose and very precise.Contains no toxic substances.Not suitable for sturgeons.
🤖 Hello! I'm your virtual assistant. I can help you find products, compare prices and answer questions about your orders. Where should we start?
Chatbot service provided thanks to Gemini 3 / OpenAI using Comparor’s database. The AI may make mistakes — always verify the information.
Comparor AI BETA
Online
Restart the conversation?