Sizes: 100 mL, 250 mL, 325mL, 500 mL, 1 L, 2 L, 4 L. It provides bacteria that break down excess food, waste and detritus in freshwater and marine systems. It will also reduce excess nutrients (e.g. ammonia, nitrates, and nitrites) that may fuel the growth of nuisance and disease-causing organisms.
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