Hydrated lime for use in cold water pasteurising straw. 
 
We have sourced the best quality hydrated lime available in New Zealand with the mineral content best suited to mushroom cultivation. 
 
1kg is enough to pasteurise approximately one standard size bale of straw in a 240L wheelie bin (or similar), or divide up proportionally according to the amount that you need. 
 
For more info on how to use hydrated lime to prepare straw please see https://www.mycologic.nz/growing-on-straw