--- product_id: 280738024 title: "Brightwell Aquatics MicroBacter7 Complete Bioculture for Fish Tank or Aquarium - Populates Biological Filter Media for Saltwater and Freshwater Fish - Aquarium Water Treatments, 8.45 fl oz" brand: "brightwell aquatics" price: "€ 58.05" currency: EUR in_stock: true reviews_count: 8 category: "Brightwell Aquatics" url: https://www.desertcart.fr/products/280738024-brightwell-aquatics-microbacter7-complete-bioculture-for-fish-tank-or-aquarium store_origin: FR region: France --- # works in fresh & saltwater 250 ml potent bioculture populates biological filter media Brightwell Aquatics MicroBacter7 Complete Bioculture for Fish Tank or Aquarium - Populates Biological Filter Media for Saltwater and Freshwater Fish - Aquarium Water Treatments, 8.45 fl oz **Brand:** brightwell aquatics **Price:** € 58.05 **Availability:** ✅ In Stock ## Summary > 🧬 Elevate your aquarium’s ecosystem—because your fish deserve the best! ## Quick Answers - **What is this?** Brightwell Aquatics MicroBacter7 Complete Bioculture for Fish Tank or Aquarium - Populates Biological Filter Media for Saltwater and Freshwater Fish - Aquarium Water Treatments, 8.45 fl oz by brightwell aquatics - **How much does it cost?** € 58.05 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/280738024-brightwell-aquatics-microbacter7-complete-bioculture-for-fish-tank-or-aquarium) ## Best For - brightwell aquatics enthusiasts ## Why This Product - Trusted brightwell aquatics brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Diatom Defense:** Clinically proven to reduce stubborn diatom algae, keeping your tank crystal clear. - • **Microbial Powerhouse:** 250 ml of concentrated beneficial bacteria to supercharge your aquarium’s biofilter. - • **Trusted by Thousands:** 4.7-star rating from over 3,300 aquarists who refuse to settle for less. - • **Universal Compatibility:** Perfectly formulated for both freshwater and saltwater tanks—one solution for all your aquatic friends. - • **Daily Dose, Lasting Impact:** Consistent daily use transforms your tank’s ecosystem within weeks—watch the magic unfold. ## Overview Brightwell Aquatics MicroBacter7 is a premium 250 ml liquid bioculture designed to populate biological filter media in both freshwater and saltwater aquariums. It effectively reduces diatom algae and enhances water clarity by establishing a robust bacterial colony, backed by a 4.7-star rating from thousands of satisfied users. ## Description Brightwell Aquatics MicroBacter7 Complete Bioculture for Fish Tank or Aquarium - Populates Biological Filter Media for Saltwater and Freshwater Fish - Aquarium Water Treatments, 8.45 fl oz : desertcart.ae Review: Excellent product - I was facing diatom issue for months, I try many things to reduce diatom, at last some one told me try microbacter7, my tank 120 gallon reef tank mixed. The result was not quick but after 2 week unbelievable tanks looks so clean sand bed, rock, water it’s a miracle, inside daily 20 ml. From last month I am dosing 20 ml every day. Review: Is very good product 👌 - Recommended, I used this product each month one time. Good price. ## Features - Brightwell Microbacter-7 Bioculture Fresh & Marine 8.5 oz. 250 ml. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B003WRGA5C | | Allergen Information | Sulphites Free | | Best Sellers Rank | #2,996 in Pet Supplies ( See Top 100 in Pet Supplies ) #9 in Fish Medication & Health Supplies | | Brand | Brightwell Aquatics | | Brand Name | Brightwell Aquatics | | Customer Reviews | 4.7 out of 5 stars 3,389 Reviews | | Global Trade Identification Number | 00810086012190 | | Included Components | MicroBacter7 | | Item Form | Liquid | | Item Type Name | Aquarium Bacteria | | Item Weight | 0.6 Pounds | | Item form | Liquid | | Item weight | 0.6 Pounds | | Liquid Volume | 250 Milliliters | | Liquid volume | 250 Milliliters | | Manufacturer | Brightwell Aquatics | | Manufacturer Part Number | BAC250 | | Model Number | BAC250 | | Number of Items | 1 | | Number of Packs | 1 | | Pet Type | Fish | | Target Species | Fish | | UPC | 810086012190 | | Unit Count | 1 Count | | Unit count | 1 Count | ## Product Details - **Brand:** Brightwell Aquatics - **Item form:** Liquid - **Item weight:** 272 g - **Liquid volume:** 250 Milliliters - **Manufacturer:** Brightwell Aquatics ## Images ![Brightwell Aquatics MicroBacter7 Complete Bioculture for Fish Tank or Aquarium - Populates Biological Filter Media for Saltwater and Freshwater Fish - Aquarium Water Treatments, 8.45 fl oz - Image 1](https://m.media-amazon.com/images/I/81RUSsPv0hL.jpg) ![Brightwell Aquatics MicroBacter7 Complete Bioculture for Fish Tank or Aquarium - Populates Biological Filter Media for Saltwater and Freshwater Fish - Aquarium Water Treatments, 8.45 fl oz - Image 2](https://m.media-amazon.com/images/I/91sBkPnabAL.jpg) ![Brightwell Aquatics MicroBacter7 Complete Bioculture for Fish Tank or Aquarium - Populates Biological Filter Media for Saltwater and Freshwater Fish - Aquarium Water Treatments, 8.45 fl oz - Image 3](https://m.media-amazon.com/images/I/71wfT8SjYbL.jpg) ![Brightwell Aquatics MicroBacter7 Complete Bioculture for Fish Tank or Aquarium - Populates Biological Filter Media for Saltwater and Freshwater Fish - Aquarium Water Treatments, 8.45 fl oz - Image 4](https://m.media-amazon.com/images/I/81c+L2j-tqL.jpg) ![Brightwell Aquatics MicroBacter7 Complete Bioculture for Fish Tank or Aquarium - Populates Biological Filter Media for Saltwater and Freshwater Fish - Aquarium Water Treatments, 8.45 fl oz - Image 5](https://m.media-amazon.com/images/I/81xNn92BXwL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent product *by V***L on 6 November 2023* I was facing diatom issue for months, I try many things to reduce diatom, at last some one told me try microbacter7, my tank 120 gallon reef tank mixed. The result was not quick but after 2 week unbelievable tanks looks so clean sand bed, rock, water it’s a miracle, inside daily 20 ml. From last month I am dosing 20 ml every day. ### ⭐⭐⭐⭐⭐ Is very good product 👌 *by I***A on 12 February 2024* Recommended, I used this product each month one time. Good price. ### ⭐⭐⭐⭐ Great Service *by I***M on 16 June 2022* Arrived sooner than promised in good condition. Great product and good price. ## Frequently Bought Together - Brightwell Aquatics MicroBacter7 Complete Bioculture for Fish Tank or Aquarium - Populates Biological Filter Media for Saltwater and Freshwater Fish - Aquarium Water Treatments, 8.45 fl oz - Brightwell Aquatics MicroBacter Clean - Microbial Culture & Enzyme Blend Fish Tank Cleaner - Cleans Live Rock Surfaces for Saltwater Fish Habitats - Aquarium Water Treatments, 8.45 fl oz - Chemi-Clean - 2 g --- ## 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.fr/products/280738024-brightwell-aquatics-microbacter7-complete-bioculture-for-fish-tank-or-aquarium](https://www.desertcart.fr/products/280738024-brightwell-aquatics-microbacter7-complete-bioculture-for-fish-tank-or-aquarium) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-09-08*