Healthy Grow Soil Acidifier
Dave Thompson's Organic Healthy Grow? Soil Acidifer Aluminum Sulfate
Ideal for camellias, blueberries, azaleas, rhododendrons and creating lush, dark green growth, our soil acidifier is made from the highest quality aluminum sulphate to provide a long-lasting, safe and non-burning way to lower your soil pH. It also maintains or turns hydrangeas their distinctive blue color. We take great care to ensure our soil acidifier is composed of only the purest ingredients possible.