Hydra Blue is an excellent acidifier for lowering the pH of soils. Use this product in the fall and early spring to turn hydrangeas blue.
Manufacturer: EB Stone & Son, Inc.
Sizes (UPC Code)
5 lbs. (756912 05010 5)
MSDS Sheet - Download
Regional Availability: National
Please call to confirm that this item is in stock at your local Master Nursery Garden Center.