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Lower the pH of soil less media
Use Insect Frass as a soil amendment and or a foliar spray
and pack up to 1lb of finished flower at a time
or as frequently as every watering
Has no unpleasant odor
28x34x1 MERV 14 AC Furnace Filters 6 Pack BVV Lower the pH of soilNordic Pure MERV 14 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.
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