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Gypsum is added to mushroom growing substrates providing calcium and sulfur.

 

Gypsum also helps spawn substrate break-up making it easier to mix when needed.

 

Use at a 2-5% ratio for best results. This usage rate is best measured off the dry-weight of the substrate. 

 

Can be beneficial for all mushroom kits and beds.

 

Gypsum is generally PH-7 meaning it is netural and does not affect the substrate's PH much.

Gypsum Mushroom Fertiliser

$10.00Price
  • SporeShift ships by NZ Post courier - shipments are trackable.

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