Pumice has dirt-trapping pockets to capture & retain large & small dirt particles. At the same time, this naturally created pore structure provides colonization points for good beneficial bacterial colonies to ensure reliable biological decomposition of waste. Pumice is pH-neutral & does not contain any harmful elements.

 

Highlights

Suitable for freshwater & saltwater.

100% natural.

Water buffing qualities.

Mechanical & biological filtration.

pH - neutral.

Reusable.

Easy to clean.