--- product_id: 683739523 title: "FilterActive filter starter with highly active Live Bacteria, supports biological activity in the aquarium, accelerates removal of harmful substances, optimises cleaning performance of the" brand: "tetra" price: "210 zł" currency: PLN in_stock: true url: https://www.desertcart.pl/products/683739523-filteractive-filter-starter-with-highly-active-live-bacteria-supports-biological store_origin: PL region: Poland --- # Accelerates pollutant breakdown Optimizes filter cleaning Live bacteria boost FilterActive filter starter with highly active Live Bacteria, supports biological activity in the aquarium, accelerates removal of harmful substances, optimises cleaning performance of the **Brand:** tetra **Price:** 210 zł **Availability:** ✅ In Stock ## Summary > 🦠 Power up your aquarium’s invisible workforce for crystal-clear, healthy waters! ## Quick Answers - **What is this?** FilterActive filter starter with highly active Live Bacteria, supports biological activity in the aquarium, accelerates removal of harmful substances, optimises cleaning performance of the by tetra - **How much does it cost?** 210 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/683739523-filteractive-filter-starter-with-highly-active-live-bacteria-supports-biological) ## Best For - tetra enthusiasts ## Why This Product - Trusted tetra brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Fast-Track Toxin Removal:** Speeds up the breakdown of harmful ammonia and nitrite, keeping your aquatic environment safe and thriving. - • **Stress-Free Fish Wellness:** Supports a healthy ecosystem that promotes fish vitality and reduces the risk of water pollution from overstocking. - • **Maximize Filter Efficiency:** Enhances filter performance for crystal-clear water and longer cleaning intervals, reducing maintenance hassle. - • **Organic & Cloud-Free Formula:** 100% natural bacterial cultures in a liquid form that works instantly without clouding your aquarium water. - • **Revive Your Aquarium's Microbiome:** Infuses highly active live bacteria to restore and maintain biological balance after every filter clean or water change. ## Overview Tetra FilterActive is a liquid aquarium water treatment containing live starter bacteria that restore and sustain biological activity in your filter. It accelerates the breakdown of harmful substances like ammonia and nitrite, optimizes filter cleaning performance, and promotes a balanced, healthy aquatic environment. Ideal for use after filter maintenance or water changes, it supports fish well-being and reduces aquarium upkeep with a 100% organic, cloud-free formula. ## Description Tetra FilterActive contains a mix of live starter bacteria and sludge reducing cleaning bacteria. With regularly necessary cleaning measures, part of important bacteria is lost in the aquarium. With Tetra FilterActive, bacterial losses caused by water change or filter cleaning can be compensated again. The live starter bacteria settle in the filter on the filter materials and thus ensure the biological balance in the aquarium. These so-called nitrificants are important for the degradation of the substances nitrite and ammonia, which are harmful to fish. In this way, immediate support of biological activity in the aquarium can be guaranteed. In addition, Tetra FilterActive Mulm contains cleaning bacteria that naturally keep the filter cleaner for longer. They accelerate the biodegradation of organic contaminants such as fish droppings, mulch collections, feed and plant residues. This increases the performance of the filter and extends the cleaning interval. It also promotes the bioactivity of the substrate and prevents rot. This contributes to the health and well-being of the aquarium inhabitants and reduces the maintenance effort of the aquarium. Tetra FilterActive contains natural bacterial cultures and has a 100% organic effect. Thanks to the liquid formula, it is very easy to use and works without clouding the water. It can also be used to support biological activity in fish stocks or heavy water pollution caused by a high number of fish in the aquarium. Dosage: Shake well before use. After filter change or cleaning, add 5 ml to 20 litres of aquarium water. Half dose after water change. ## Features - Adds highly active live bacteria and supports the permanent biological activity in the aquarium. - . Accelerates the breakdown of pollutants such as ammonia and nitrit. - . Optimises the cleaning performance of the filter and thus ensures clear water. - 20232023. Accelerates the process Building of harmful substances such as ammonia and nitrite. Improved cleaning performance of the filter for clear water. Maintains the biological balance in the aquarium. Promotes good water values and well-being of the fish. Strengthens filtering after filter maintenance or water changes ## Technical Specifications | Specification | Value | |---------------|-------| | Pet Type | Fish | | Product Dimensions | 18 x 6 x 12 cm; 118 g | | Item model number | 247031 | | Item Form | Liquid | | Color | 100 ml | | Size | 100 ml | | Quantity | 1 | | batteries required | No | | Batteries Included | No | | External Testing Certification | Grüner Punkt - ARA (Verpackungskennzeichen) | | Item Weight | 118 g | ## Product Details - **Brand:** Tetra - **Liquid volume:** 100 Milliliters - **Item weight:** 0.12 Kilograms - **Item form:** Liquid - **Manufacturer:** Tetra ## Images ![FilterActive filter starter with highly active Live Bacteria, supports biological activity in the aquarium, accelerates removal of harmful substances, optimises cleaning performance of the - Image 1](https://m.media-amazon.com/images/I/71VFzYhKisL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Tetra FilterActive filter starter with highly active Live Bacteria, supports biological activity in the aquarium, accelerates removal of harmful substances, optimises cleaning performance of the filter, various sizes - Tetra AquaSafe to Turn Tap Water into Safe and Healthy Water for Fish and Plants, 250 ml - Tetra Nitrateminus Liquid, 250 ml --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/683739523-filteractive-filter-starter-with-highly-active-live-bacteria-supports-biological](https://www.desertcart.pl/products/683739523-filteractive-filter-starter-with-highly-active-live-bacteria-supports-biological) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-27*