GROW!T Clay Pebbles, 4 mm-16 mm, Growing Media (40 Liters) Controllers Works great for indoor and

Works great for indoor and outdoor gardens

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Hurricane® Commercial Grade Inline Duct Fan 8" 745 CFM

Can control both CO2 tanks or CO2 generators

1 minute intervals up to 20 programs per day

GROW!T Clay Pebbles, 4 mm-16 mm, Growing Media (40 Liters) Controllers Works great for indoor andGROW! T GMC40L 4mm 16mm Clay Pebbles, Brown, 1. 4 cu. ft. (40 Liter Bag) Made from 100% Natural Clay, Can be used for Drainage, Decoration, Aquaponics, Hydroponics and Other Gardening Essentials GROW! T horticultural clay pebbles are made from 100% natural clay. They are clean, pH stable, and offer great aeration and drainage in hydroponics, especially in flood and drain, deep water culture, and drip feed systems. Due to their unique structure and