PRO-MIX® HP® MYCORRHIZAE™ OPEN TOP GROW BAG Good drainage capacity , High air porosity and Lower water retention READY TO USE BAG PRO-MIX HP open top grow bag is the new delivery system solution for your plants. The open top grow bag solution ensures ease of use, with eight pre-made drip holes, a tear-off opening and its 1 ft3 or 0.5ft3 loose-fill growing medium.
