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The Optigrow full spectrum supports every growth stage from seedling through harvest without spectrum switching
Consistent moisture distribution supports a dense
62% keeps more moisture in and suits stock that moves quickly
yet are less expensive
Each 8 g packet still covers 12 to 28 g of contents at 55% RH
Heat Mat, Commercial, 60x21 inch with 6' Cord Greenhouse Fans The Optigrow full spectrum supportsHydrofarm's Commercial Heat Mat helps maximize your growing area by letting you daisy chain up to 4 of the MTMDA add on units to this one. Bottom heat is one of the most important and effective ways to improve germination and rooting. Our new HEAVY DUTY modular commercial heat mats will provide uniform heat for hundreds of seedlings or cuttings. Supersized mats: 60" x 21" Rugged and durable with waterproof connectors Daisy chain up to 5 units (4 add
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