Thermo-O-Rock 4 cu. ft. Bag Coarse Vermiculite brand_frame-it-all Thanks to its precision-engineered

Thanks to its precision-engineered

(1) double wall to single wall adaptor [Draft Hood Connector]

Height: 3-3/4"

100 - 1" Rockwool cubes

Thermo-O-Rock 4 cu. ft. Bag Coarse Vermiculite brand_frame-it-all Thanks to its precision-engineeredThis lightweight vermiculite provides superb aeration and moisture retention when mixed in with peat, bark, or compost. Also makes excellent fertilizer. Vermiculite soil supports root structure and stimulates fast root growth. Can be used by itself to aid soil less hydroponic greenhouses. Lightweight, moisture and nutrient retentive. Good for when higher aeration is required. Increases lateral water movement in growing media. Course 2X Horticulture