VidaWool Rockwool Block 512 No Hole, 8 Inch x 8 Inch x 8 Inch, Case of 18 Select Rockwool Type:Block 512 No Hole, 8" x 8" x 8", Case of 18 A potassium deficiency in your

A potassium deficiency in your plants may appear like a lack of nitrogen or phosphorus

and other contaminants from getting stuck in the pump

high-impact ABS plastic with UV resistance for longevity

Requires no special handling

VidaWool Rockwool Block 512 No Hole, 8 Inch x 8 Inch x 8 Inch, Case of 18 Select Rockwool Type:Block 512 No Hole, 8" x 8" x 8", Case of 18 A potassium deficiency in yourVidaWool. 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 media helps to give more steerability to the grower and