Calcium Carbonate Powder - 25g - For Spawn Jars

Sold Out
Calcium Carbonate Oyster Shell Flour Canada CaCO3 Mycology Mushroom Casing Buffer pH Neutralize

QTY: 25g

Calcium Carbonate - CaCO3.

The most finely ground calcium carbonate flour available. Made from pure oyster shells. Small quantities used in grain spawn jars prevents sticking and clumping. Best when used in conjunction with Calcium Sulfate (Gypsum Powder - CaSO4). Not necessary for most species but required when growing Agaricus brunnescens

For agriculture and mycology uses only.