12x25x2 Pleated MERV 7 Air Filters 3 Pack Pest and Disease Control Brix numbers may be used

Brix numbers may be used to indicate the quality

or transplant mix and watch your plants respond with deeper roots

These salts usually burn off after a seasoning / break in period of approx 100 hours

5 ML per gallon will treat 1

12x25x2 Pleated MERV 7 Air Filters 3 Pack Pest and Disease Control Brix numbers may be usedNordic Pure MERV 7 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 and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters