HydroLogic - Gravel Media 1/4 x 1/8 Flint 0.5cf

Used in conjunction with our replacement carbon media as well as other media types, it helps with agitation to prevent compacting during regeneration cycles in automated media tanks. Refer to your media tank owners guide for volumes required.

•1/4 x 1/8 flint gravel
•0.5 cubic foot per bag