VidaWool Rockwool Block with Hole, 4 Inch x 4 Inch x 4 Inch Grodan Interior Diameter: 7

Interior Diameter: 7

or discrete in-home trimming

which the International Standards Organization (ISO) defines as bubbles smaller than 1 µm (micron)

creating the ideal environment for algae growth

Various Sizes

VidaWool Rockwool Block with Hole, 4 Inch x 4 Inch x 4 Inch Grodan Interior Diameter: 7VidaWool Product Documents VidaWool Rockwool Block Data Sheet VidaWool. Cultivate With Confidence VidaWool blocks provide the space and uniform water and nutrient distribution they need to continue thriving in their second stage of life. Equipped with a UV protection liner and Hydro Xtend water dispersion technology, VidaWool blocks are intelligently designed to deliver healthy, even root zones and consistent crop performance. Mineral wool growing