Home > Products > Growers > Grower Chemicals > Plant Growth Regulators > Phytrotronics Rhizopon AA Powder #3 1Lb (10/Cs) (Direct) Phytrotronics Rhizopon AA Powder #3 1Lb (10/Cs) (Direct) Log in to see availability and pricing. Item Number: PHT0320 Case Qty: 0 Min Qty: 1 UPC: Manufacturer: Phytotronics Inc. Manufacturer Number:0320 Product Description Product Availability Phytrotronics® Rhizopon® AA Powder #3 1lbRhizopon rooting powders promote even rooting of new cuttings for stronger plants. Rhizopon can also help repair a damaged root or produce new roots after transplanting. Powdered rooting hormones are used in the "dry dip method" and are not used to make rooting solutions.Rhizopon AA #3 is a white powder used on more difficult to root hardwood and softwood cuttings.REI: 0 hoursActs with the plants own natural rooting hormones to aid in root formation by uniform absorption of the active ingredient.EPA registered for use in greenhouses and nurseries. Log in for warehouse specific availability.