Ona Block Fresh Linen -- 6 oz Filters 000 psi Diameter 8

000 psi Diameter 8

Mix as a concentrate at 0

Apply directly to the grow media every two weeks

Our pH adjustment products are of superior quality and stability compared to the cheaper

Stainless steel penetration electrode allows for direct measurement in soil

Ona Block Fresh Linen -- 6 oz Filters 000 psi Diameter 8The ONA Block Fresh Linen is ideal for small areas such as closets, foyers, attics, cars, gym bags, boats, kitchens, garbage cans, cupboards or vents. Simply remove the cap, or punch several small holes in the cap and place in desired location. The ONA Block measures 3" x 3" and will fit in most places. The ONA Block will release its powerful odor neutralizing agent and keep the location free from undesirable odors. Replace as necessary.