Features: 

1. To decompose feces and feed residue, and purify water. 
2. To reduce COD and BOD of the water. 
3. Thoroughly degrade harmful substances such as ammonia, nitrite. 
4. Strengthen the photosynthesis in a tank so as to promote the healthy growth of water plants and shrimps. 
5. Quickly set up a healthy nitrification system for fish and plants.