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Our powerful one-part grow and one-part bloom formula can serve as base nutrition or as a supplement
Monitor EC regularly and adjust accordingly based on the crop and growth stage
kelp and feather meal to boost growth
This special blend was formulated for organic growers
10x33x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Travel Bags & Backpacks Our powerful one-part grow andNordic Pure Custom MERV 13 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition
