10x24x1 Pure Green Eco-Friendly AC Furnace Air Filters 6 Pack stocked the pH controller measures the

the pH controller measures the pH value of the solution and automatically adds pH adjustment (either acid or alkaline) to change the liquid's pH to the selected level

Max-Fan™ 230 / High 190 / Medium 130 / Low

The rockwool will last for the life of your plant

It is perfect for giving beneficial light to seed starts

10x24x1 Pure Green Eco-Friendly AC Furnace Air Filters 6 Pack stocked the pH controller measures thePure Green Eco Friendly AC Furnace Air Filters by Nordic Pure are made from an environmentally responsible non woven, high loft, antimicrobial filter media. The MERV 6 rating has a lower pressure drop, minimizing energy consumption while maintaining a high dust holding capacity. As we continue to keep our eyes on media technology advances, our Pure Green media will be changing its appearance. Please expect the same quality and performance you have