API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner 4-oz
The API Stress Zyme is a beneficial product designed to enhance the health and well-being of your aquarium ecosystem. This product contains a powerful blend of live bacteria that aids in the breakdown of organic waste, such as fish waste, uneaten food, and decaying plants. By accelerating the natural biological processes, Stress Zyme helps to maintain a clean and healthy environment for your fish and other aquatic inhabitants.
Key Features
- Contains live bacteria to support biological filtration
- Effective in both freshwater and saltwater aquariums
- Helps break down organic waste like fish waste and uneaten food
- Supports a balanced and stable aquatic environment
Usage Instructions
Add 1 packet (4 oz) to the aquarium water every 2 to 4 weeks, depending on tank size and bioload. Mix thoroughly and allow the bacteria to settle before adding more fish or new plants.
| Specification | Details |
|---|---|
| Product Type | Water Cleaner |
| Volume | 4 oz |
| Compatibility | Freshwater & Saltwater |
| Active Ingredient | Live Bacteria Blend |
FAQ
How often should I use Stress Zyme in my aquarium?
Add 1 packet (4 oz) every 2 to 4 weeks, depending on tank size and bioload.
Can Stress Zyme be used in both freshwater and saltwater tanks?
Yes, Stress Zyme is compatible with both freshwater and saltwater aquariums.
Does Stress Zyme require mixing before use?
Yes, mix thoroughly with aquarium water before adding to the tank.




David Hemmings –
I’ve used Stress Zyme in my 55-gallon freshwater tank for three months now. The water clarity has improved noticeably, and my fish seem more active. No fish deaths or stress signs since I started using it. Easy to add and works well with my filter system.
Boris Davies –
It’s a simple product that helps maintain water quality. I added it every two weeks and noticed less fish waste buildup. Works best when combined with regular water changes. Slight improvement in tank stability after a few weeks.
Peter Mackenzie –
My saltwater tank has been struggling with algae and waste. After using Stress Zyme, the water became clearer and the coral appeared healthier. I recommend it for both types of tanks, especially in high-bioload setups.