Silica Gravel

Gravel silica / silica rock is a type of silica sand but with a rather large size, as big as gravel.

Silica Gravel Is A Very Effective Filter Media Due To Its Ability To Withstand Dirt Containing Dirt. Gravel Also Serves As A Support Media For Water Filtering. There are various sizes / sizes, including: 8 x 16 mesh, 4 x 8 mesh, 3 x 6 mesh, and so on.