Ultra-Fine Lab Grade Gypsum for Mushroom Substrates, Brewing, Tofu - No Additives, 97% Calcium Sulfate 22.5% Calcium (Ca) 18% Sulfur (S) - Packaged in HEPA Enclosure

The product came on time and delivery was prompt. The packaging was resealable which was very important to me. It was definitely ultra fine which made it very easy to mix in hot water to dissolve for use in my CVG substrate. I am totally satisfied with my purchase and will probably be reordering when needed. I use approximately one cup of gypsum with 1250 G of coco coir and 2 qts of vermiculite with 8 qts of water for great field conditions.

Perfect for tofu pudding. I brew 3/4 gallon of soy milk every three days (from two cups of soy bean). To make tofu pudding, I heat two cups of home made soy milk in a microwave to 95C. I mixed 4 grams of gypsum, 4 grams of corn starch, and 1.5 table spoon of cold water in a separate bowl (stir well). Pour hot soy milk (95C) into bowl contains gyspum, corn starch, and water . Voila, perfect and quick hot tofu pudding in less than five minutes.

This ultra-fine lab grade gypsum is fantastic! I use it for a variety of crafting projects, including making molds and casts. The fine texture makes it easy to mix and pour, and it sets quickly to create detailed and precise casts. The quality is top-notch, and the gypsum is very smooth, resulting in a flawless finish. Whether you're a professional or a hobbyist, this gypsum is a great choice for your crafting needs!

Arrived as promised and in good condition. Seems to be as described, no none issues. I wish that the package sealed back together better when not in use, but nothing another zip lock bag can't handle.

It is as expected. It worked

I grow mushrooms. I start with a liquid culture then transfer this into grow bags or containers depending on which type of mushrooms I am growing. No matter what medium I am transferring my mushroom spores into I add Gypsum to help the spore make mushrooms. I like this product because it has enough to last me several months and It is in a package that is resealable. I have used this multiple time and I like it because it last so long.

Perfect addition to my substrate so growth in less than 24 hours with my grain spawn to bulk substrate two monotubes set up and both same results growth in less than 24 hours.

Value is great bag helps you function while dispersing