The MicrōBacter7 Complete Bioculture rapidly improves water quality in freshwater and marine aquariums by creating biological filtration. Brightwell Aquatics MicrōBacter7 Biological Filtration & Water Quality Enhancer Establish a healthier, crystal-clear aquarium with MicrōBacter7. MicrōBacter7 is an advanced blend of non pathogenic aerobic and anaerobic bacteria combined with natural enzymes, designed to rapidly establish and strengthen biological filtration in both saltwater and freshwater aquariums. Perfect for new tank setups or improving existing systems, this formula accelerates nitrification, denitrification, and organic waste breakdown helping create a stable, low nutrient environment where your fish and corals can thrive. Developed using extensive microbiological research, MicrōBacter7 is supplied in a suspended state for maximum potency and offers a long shelf life of up to 2 years. Key Benefits Rapidly reduces ammonia, nitrite, nitrate, phosphate, and organic waste Breaks down uneaten food, detritus, and fish waste Helps maintain a cleaner substrate and healthier tank environment Improves water clarity and overall system stability Reduces hydrogen sulfide production Increases dissolved oxygen levels Helps prevent algae and cyanobacteria growth Supports beneficial photosynthetic organisms Why It Matters Excess nutrients and organic waste can quickly lead to cloudy water, odors, algae outbreaks, and unhealthy livestock. MicrōBacter7 works by converting waste into usable nutrients, restoring balance and improving overall water quality resulting in a cleaner, clearer, and more stable aquarium. How to Use Before Use: Shake well Mix recommended dose with ~8 oz (250 mL) of aquarium water before adding Important Tips: Turn off protein skimmer and UV sterilizer for 4 hours after dosing Do not add directly to pump intakes Clean any pipettes before reinserting into the bottle Dosing Instructions New Tanks / High Nutrient Systems Dose 5 mL per 25 gallons daily for the first 2 weeks Expect noticeable improvements in water clarity within days Established / Low Nutrient Systems Dose 5 mL per 50 gallons once per weekOR Dose 1 mL per 50 gallons daily Adjust dosing as needed, but do not exceed: 1 mL per 25 gallons per day When increasing bioload or adjusting filtration: Dose 1 mL per 25 gallons daily for 1 week, then return to maintenance dosing Storage No refrigeration required Store in a cool, shaded area for best results Refrigeration will extend shelf life further Ingredients Purified water Proprietary blend of natural enzymes Non-pathogenic beneficial microorganisms Safety Keep out of reach of children Not for human consumption