PURE SUBSTRATES Max Air 0.75 Gallon Grow Block - Power MP (Case of 62) rockwool In full sun the fan

In full sun the fan receives a high amount of power from the solar panel

Features & Benefits Of VidaWool Rockwool Blocks

Traditional air stones require constant replacement

Requires additional effort to force a square plug into a round hole

Protect against UV damage

PURE SUBSTRATES Max Air 0.75 Gallon Grow Block - Power MP (Case of 62) rockwool In full sun the fanPURE POWER MP (Medium Porosity) Max Air 6" Grow Block Clean. Consistent. Predictable results. Simply the best quality coco you will ever try. RHP Certified Designed and tested in Holland to the absolute highest horticultural standards on the planet, the substrate and the factory are RHP certified for premium quality. PURE Power MP (medium porosity) 6" blocks are produced with only the highest quality raw materials. We do not use the "waste" product of