DaveL wrote:
Jay Chan wrote:

The recommendation coming with a soil test suggests me to add calcium
sulfate to a part of my lawn. But I cannot find it in Home Depot or
local nurseries. Where can I find it? Is it a part of other commonly
available products?

Thanks in advance for any info.

Jay Chan


Look for Gypsum.
Portland cement is also calcium sulphate, but it is probably more
expensive to buy it as such. Lawn gypsum is best, pricewise.