Reviewed by Christopher D.
Verified Buyer
I recommend this product
Great product, as usual
Amazing product. Super easy to mix. Plants seems happy immediately
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Based on 97 ratings
98%
of reviewers would recommend this product to a friend
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97 Reviews
Reviewed by Bradley M.
Verified Buyer
I recommend this product
Diamond k Gypsum
Plants thrive
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Reviewed by Jay C.
Verified Buyer
I recommend this product
Big bag, small price
First off, what a deal. Half the price for double the weight when compared to Amazon. Diamond K is what I've always used for mycology but never for my plants. I've since started adding it to my soil for the calcium and sulfur and my plants have been loving me ever since.
SB; I was fighting a mystery deficiency which turned out to be a calcium deficiency. Ever since fixing that with some rock dust and gypsum, things have been smooth like butter.
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Reviewed by Nicholas N.
Verified Buyer
I recommend this product
Quality gypsum
Quality product, easy to mix, great source of calcium.
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Reviewed by Jason Q.
Verified Buyer
I recommend this product
Gypsum
Loved it! You can never have enough gypsum in my opinion.
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