RedRock Starter Block PRO, 4" x 4" x 2.5" (Case of 216) rock-bottom it can be placed in

it can be placed in the boiling water while in the bag or can be directly put in the microwave after making a slit in the bag

highly porous

Additive for use in foaming equipment to enhance foam during application

razor or scissors

RedRock Starter Block PRO, 4" x 4" x 2.5" (Case of 216) rock-bottom it can be placed inRedRock Starter Block PRO, 4" x 4" x 2. 5" (Case of 216) 42 40 Hole 10x10x6. 5cm 4 Inch x 4 Inch x 2. 5 Inch Commercial grade stone wool pro starter blocks sourced and manufactured in North America. Our Stone wool starter blocks are made in the USA and processed in Canada Wetting agent ensures nutrients are immediately plant available The high fiber density of the stone wool starter blocks makes better use of water and fertilizers while allowing dry