API Stress Zyme Biological filtration booster

Accelerates the development of the biological filter and helps clean a dirty aquarium.

Rebuilds bacterial flora after medical treatment.

How does it work?

  • Contains over 345 million live bacteria per teaspoonful.
  • Breaks down organic compounds that cause dangerous conditions such as ammonia and nitrite poisoning and low oxygen levels.
  • No refrigeration necessary.


  • Use when setting up an aquarium and every week ongoing.
  • Continuous use assures an active biological filter, cleaner aquarium, healthier fish and good water quality. 

For use in fresh and saltwater.


Related Items