Grodan PRO Starter Mini-Blocks 1.5 in Unwrapped, case of 50 Rockwool and Clay '-#1 HAS PRE-FILTER INCLUDED -

'-#1 HAS PRE-FILTER INCLUDED - Pre-filter on the intake prevents debris from entering your pump and extend the life of your pump Max flow rate: 400GPH

SPO Big Time Roots 2

heavy duty construction throughout

scab and more

4'x8' Gorilla Grow Tent

Grodan PRO Starter Mini-Blocks 1.5 in Unwrapped, case of 50 Rockwool and Clay '-#1 HAS PRE-FILTER INCLUDED -Mini Blocks sit in a tray (flat) without support for easy starting of seeds and cuttings. These Mini Blocks are individually wrapped in white plastic to minimize algae growth. Remove wrapping and transplant into any loose media such as Grow Cubes or coconut fiber or leave wrapping on and set on top of a larger Gro block. Packed in easy tear away strips, labeled with instructions.