Where to Buy
Contact the store to confirm stock availability, as some stores may have a limited range. Store locations may change without notice.
Soil conditioner for improving the structure of hard clay soil.
Not available in WA
Breaks up heavy clay soils by chemical exchange between the clay and gypsum, causing soil to become more friable.
Calcium sulphate
Dig up clay soil, then spread 1-2kg per square metre. Water in well.