Our custom mineral blend is our proprietary mix of "Gypsum" like minerals & PH buffers that we add to bulk substrate, grain spawn and more. It is the most universal additive you can buy. Not only does it naturally raise the PH levels of your growing medium and add beneficial minerals, but it can inhibit mold growth and increase germination percentages in grain spawn.

Features & Includes:

  • Select 2lbs, 10lbs or 20lbs pound bag of Agriculture Grade Calcium+ Blend
  • Tried & Tested Blend of 3 minerals
  • Calcium Sulfate
  • Calcium Hydroxide
  • Activated Carbon
Price: $4.99
    Points to Purchase:499
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    Item #: CPC2
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    Calcium+, our specially crafted mineral blend composed of gypsum-like minerals and pH buffers. It is an all-purpose additive that can be used on various growing media, grain spawn, and more. With its natural ability to raise pH levels and supply essential minerals, Calcium+ is an indispensable tool for any grower. Moreover, it can help prevent mold growth and improve germination rates in grain spawn. Calcium Sulfate, Calcium Hydroxide, and Activated Carbon are the key ingredients that make Calcium+ highly effective.

    Features & Includes:

    • Available in 2lbs, 10lbs or 20lbs pound bags
    • Perfect ratio of Calcium Sulfate
    • Calcium Hydroxide
    • Activated Carbon

    While there is no exact amount needed when adding to casing, substrate or grain, you can start by adding a 2 tablespoons to 4 quarts of bulk substrate or sprinkle or "dust" your freshly cooling grains with it to improve its germination rates. 

      Overall Customer Rating of 5 Reviews:
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      Great Stuff.

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      The only thing I've changed this past run. 2 weeks in, the most rapid mycelium gross I've seen yet. Haven't fruited yet. Hoping for a massive harvest. Fingers crossed.

      OH

      Consistently Perfect

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      Always super fast shipping !
      Always great products !
      Always great prices!
      Midwest the only place I go for supplies I need!

      Best Gypsum Alternative

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      Great Gypsum alternative! If you're unsure go ahead and give it a shot! I've been using it for a couple months and I wouldn't go back to regular Gypsum

      Huge Difference

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      • Price
      • Accelerated colonization
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      After using this with grain spawn and substrate, I can definitely say it made a huge difference in colonization rate! Highly recommend this over regular gypsum.

      Wonderful product and great delivery time.

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      My spawn has responded much better with the addition of minerals. Goes a long way to.