Cultiwool Block 6"x 6"x 4" (64/Case) drying & racks or difficulty absorbing nutrients

or difficulty absorbing nutrients

and improved yields

Provides a strong phosphorus and potassium boost

One Eco Green Coconut Carbon filter rated for 8

red-orange spectrum traditionally associated with flowering and fruiting applications

Cultiwool Block 6"x 6"x 4" (64/Case) drying & racks or difficulty absorbing nutrientsCultiwool 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