Cultiwool Block 6"x 6"x 4" (64/Case) drying & racks Provides a strong phosphorus and

Provides a strong phosphorus and potassium boost

application timing

Its efficient 30W design

and improved yields

excellent aeration and a lightweight root environment

Cultiwool Block 6"x 6"x 4" (64/Case) drying & racks Provides a strong phosphorus andCultiwool 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