RedRock® Grow Block PRO w/ 42/40 Hole, 6" x 6" x 5.3" (48/Case) Powdered Fertilizers SOLUBLE POTASH (K2O) 1

SOLUBLE POTASH (K2O) 1

greater stem thickness and bigger leaves

Power Si is soluble

Flexible mixing ratios and application rates

Listed by the Organic Materials Review Institute for use in organic production

RedRock® Grow Block PRO w/ 42/40 Hole, 6" x 6" x 5.3" (48/Case) Powdered Fertilizers SOLUBLE POTASH (K2O) 1One Case (48 pcs.) RedRock Grow Block PRO w 42 40 Hole 15x15x13. 5cm 6 Inch x 6 Inch x 5. 3 Inch Commercial grade PRO Stone wool grow blocks sourced and manufactured in North America Stone wool grow blocks are made in the USA RedRock Stonewool grow blocks PRO are priced for commercial agriculture production Stone wool has high fiber density makes better use of water and fertilizers while allowing dry back Sizes available for any crop