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Hydrofarm'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
adjust settings and calibrate by a simple push of a button
The UNI-SLAB is suitable for both top drip and flood systems
stimulate the production of microorganisms
All nutrient regimens and systems
Stack - 5 Gallon spl_allstate Hydrofarm's Commercial Heat Mat helpsStack is a natural plant nutrient made from kelp extract. The nutrients in Stack encourage healthy growth and flowering. Stack gives the plant tools to reach its full genetic potential. When used as a foliar or root drench, Stack helps correct minor potassium deficiencies. Instructions for use: May be used as a foliar spray or root drench, one application weekly. Safe for use in irrigation systems. Stack contains organic ingredients and may separate