Spectrum Hydro
Pahroc #3 perlite 4 cubic foot bags contain 1/2" to 1/4" particles. This variety is commonly used in the propagation of ornamentals, orchids, begonias, etc., soil conditioning, planter mixes, greenhouse growing, hydroponic gardening systems, and rooftop gardening. Comes in a bulk pallet of (27) 4 cubic bags for commercial growers.