Most rockwool is naturally alkaline
Max-Duct is manufactured with triple foil laminate with a very durable white PVC and UV inhibitors
The handle is quite comfortable and the GOM rubber provides more than adequate traction
A single calibration solution for pH and conductivity makes calibration fast and ensures all of your measurements are accurate each time for better plant health and better yield
Flowers encourages the plants to develop as much as possible in the Flowering phase
16x24x4 (3 5/8) Pleated MERV 10 Air Filters 1 Pack spl_hlg Most rockwool is naturally alkalineNordic Pure 16x24x4 Pleated Air Filters MERV 10 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured using a heavy duty, moisture resistant beverage