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Gypsum Powder for Mushroom Substrate (5 lb) | Lab Grade | Packed in a HEPA-Filtered Facility | Highly Soluble for Growing Mushrooms | Soil Conditioner | (Calcium Sulfate Dihydrate) (5 Pounds)

Gypsum Powder for Mushroom Substrate (5 lb) | Lab Grade | Packed in a HEPA-Filtered Facility | Highly Soluble for Growing Mushrooms | Soil Conditioner | (Calcium Sulfate Dihydrate) (5 Pounds)

$42.74 USD
$42.74 USD
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About This

  • [Mycology Grade] - Made with the mushroom grower in mind. Packaged in a HEPA filtered facility by experienced mycologists. This ensures no contaminants will enter your grow area.
  • [High Purity] - 97% calcium sulfate dihydrate. Ultra fine and highly soluble in water, making it easy to mix.
  • [Improves Soil Structure] - Reduces clumping and allows for better absorption of water. Gypsum also provides essential minerals for increased yield. Gypsum can also repair damage from excess salt in soil.
  • [Versatile Substrate Amendment] - Use gypsum for mushroom substrate, your garden, landscaping, grain spawn, and so much more. Supports plant health and can increase yield by 50% or more when added to mushroom fruiting blocks. Best known as an essential ingredient in CVG, which is a substrate blend of coco coir, vermiculite, and gypsum.
  • [Affordable Quality] - Quality you can trust at a price that doesn't break the bank. Every day, we strive to provide the most value to our customers.
  • [100% USA Made] - Mined, refined, and packed proudly in the USA. Our goal is to make your growing experience easy and enjoyable.

Overview

  • Brand : Mushroom Merchant
  • Item Weight : 5 Pounds
  • Item Form : Powder
  • Coverage : Gypsum to Substrate Ratio 1:10
  • Mixing ratio : 1:10
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Frequently Asked Question

How long does shipping take?

Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.

Is free shipping available?

We do not currently offer free shipping. However, this may be added at some point. We apologize.

How can I get a tracking number for my order?

If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.

How do I process a return or exchange?

For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.