- Usually, the toxins always go to the bottom of your tank. 

- Using Circulation pumps combined with your common filtration, toxins will be prevented since your water is completely circulated.  

- This also makes extra joy for your fish to make their habitat become more natural.   

Specs: 

- 10W - 20-100gal  

- 7000L/H

- Good for 80-150gal