API Stress Zyme
API Stress Zyme is formulated with 300 million live bacteria in each teaspoon, aiding in keeping your aquarium clean by breaking down sludge accumulation. It protects against harmful ammonia and nitrite toxicity, prevents low oxygen and pH levels, and is ideal for both initiating and sustaining a healthy aquarium environment.
Key Benefits
- Breaks down sludge accumulation in aquariums
- Reduces ammonia and nitrite toxicity
- Helps maintain stable oxygen and pH levels
- Supports the establishment and maintenance of a healthy aquatic ecosystem
Product Specifications
| Component | Detail |
|---|---|
| Live Bacteria Count | 300 million per teaspoon |
| Application | For use in aquariums to support biological filtration |
| Form | Powder |
| Storage | Store in a cool, dry place away from direct sunlight |
FAQ
How often should I add API Stress Zyme to my aquarium?
Add one teaspoon per 10 gallons of water every 1-2 weeks, depending on tank conditions and bioload.
Can API Stress Zyme be used during the cycling process of a new aquarium?
Yes, it is ideal for both initiating and sustaining a healthy aquarium environment during the cycling process.
Does API Stress Zyme affect water pH or hardness?
It helps maintain stable pH and oxygen levels, but does not significantly alter water hardness or pH directly.


Ava Butler –
I’ve used API Stress Zyme in my 20-gallon community tank for three months now. The water clarity has improved noticeably, and I no longer see sludge buildup. My fish seem more active and healthier. Easy to mix and effective after a few weeks of use.
Natalie Peters –
The product works well in reducing ammonia spikes during water changes. I added it weekly and noticed a steady improvement in water quality. It’s a reliable supplement for maintaining a balanced tank.
Evan Peake –
After switching from a chemical filter to a biological one, I started using API Stress Zyme to help establish the bacterial colony. It helped stabilize the tank within two weeks. My fish have not shown any signs of stress since.