Cultiwool Block 6"x 6"x 4" (64/Case) drying & racks built with dual O-ring fittings

built with dual O-ring fittings

It is also easy to install and maintain

red-orange spectrum traditionally associated with flowering and fruiting applications

One Eco Green Coconut Carbon filter rated for 8

or difficulty absorbing nutrients

Cultiwool Block 6"x 6"x 4" (64/Case) drying & racks built with dual O-ring fittingsCultiwool Block 6"x 6"x 4" (64 Case) The Cultiwool Block 6"x 6"x 4" is a professional grade stone wool growing block designed for hydroponic, greenhouse, and soilless cultivation. Its larger format provides generous rooting volume while maintaining an effective balance between water retention and aeration, helping growers create a consistent root zone environment throughout the crop cycle. The 6"x 6"x 4" format contains 64 blocks per case. Designed