Espoma Organic Soil Acidifier contains elemental sulfur & gypsum to help lower soil pH and turn hydrangeas blue.  It is long lasting and much safer than other acidifiers like Aluminum Sulfate.  Like all Espoma Organic products, no sludges or fillers are ever used. And because it’s made in our state-of-the-art solar powered manufacturing facility, consistency and quality are guaranteed. 

• Turns Hydrangeas Blue
• Lowers pH of Soils
• Great for Blueberries & Other Berry Plants
• Approved for Organic Gardening
• Safe for People, Pets & Planet