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perfect for 2'x4' veg footprint
Silicon is the second most abundant element in plants and with out it they can not survive
Your EC is between 1
But if you don’t buffer that growing medium with calcium for strong cell walls and magnesium for chlorophyll production
With the Bluelab Guardian Monitor monitoring your crops 24 hours a day and with the ability to set high and low alarms
13x24x1 Exact MERV 12 AC Furnace Filters 6 Pack dupe perfect for 2'x4' veg footprintNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different
