To improve biological filters and clean dirty aquariums best, use API Stress Zyme.
This formula is super-potent as it contains over300 million live bacteriain every teaspoonful!? It’s able tobreak down organic compoundsthat cause dangerous conditions such asammoniaandnitrate poisioning.
Best used infreshwater and saltwaterwhen setting up a new aquarium.
Your fish will behappy and healthywith the help of API Stress Zyme.
If you’re keen to try out a smaller portion before comitting to the larger bottle, there is a 30ml option available too.
Keep in a cool, dry place. No refrigeration necessary.