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• Tests pH at a range of 0 pH-14 pH
use ½ to 1 teaspoon per gallon of water
The XL ExHale CO2 Bag is for medium to large grow spaces
It uses an air-to-water heat exchanger to water-cool the hot air your reflectors produce
12x30x1 Pleated Air Filters MERV 13 Plus Carbon 6 Pack Monterey Lawn & Garden Products • Tests pH at aNordic Pure 12x30x1 MERV 13 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted to and held by the activated carbon material while
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