18x20x2 Pleated MERV 12 Air Filters 3 Pack PH/EC/TDS Meters and Solutions The level of your pH

The level of your pH is an essential factor in deciding which nutrients are available for your plants to uptake

Sierra Natural Science processes raw certified organic botanicals and herbs in-house

66") to provide better PPFD coverage at 5'x5' flower growth

Customize your system setup by pairing with Bluelab PeriPod and optional PowerPod

18x20x2 Pleated MERV 12 Air Filters 3 Pack PH/EC/TDS Meters and Solutions The level of your pHNordic 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