- Fits AquaClear 70 and "300"
- Increases biological filtration efficiency by 30%
- Enhances ammonia and nitrite reduction
- Expands biological capacity of aquariums
- Provides optimal living conditions for beneficial bacteria
- Safe for fresh and saltwater use.
- Great product for your good bacteria! Review by Richard the goldfish keeper
Very simple and easy to use! All i can say! (Posted on 3/10/11)