18x22x1 MERV 13 AC Furnace Filters 6 Pack grow media 5 ML per gallon of

5 ML per gallon of water along with a base nutrient and other additives to boost and protect plant growth

Use Tropicoco Fast Draining in containers

Weight: 2 lbs

Grow1 collapsible water tanks are a great alternative to troublesome solid

Isopropyl alcohol and citric acid dehydrate and kill on contact

18x22x1 MERV 13 AC Furnace Filters 6 Pack grow media 5 ML per gallon ofNordic Pure MERV 13 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 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200