Rapidly establishes biological filtration for new aquariums, reducing risk of new tank syndrome
Synergistic blend of aerobic, anaerobic, and facultative bacteria optimizes waste breakdown
Non-sulfur fixing bacteria prevents production of toxic hydrogen sulfide
Safe for all aquatic organisms and plants, ensuring no overuse concerns
No refrigeration required, flexible storage and dosing
Summarized by Shop
Seachem Stability Seachem Stability is a bottled colony of beneficial bacteria that establishes and maintains your aquarium's biological filter — the engine that converts toxic ammonia and nitrite into far safer nitrate. It's the product you use to cycle a brand-new tank quickly and safely, and to rebuild the biofilter any time it's been d
Available sizes
50 ml, 100 ml, 250 ml, 500 ml, 1 L, 2 L, 4 L
Recommended dosing
5 ml per 40 L (days 1-7), 5 ml per 80 L (days 2-7), ongoing 5 ml per 80 L