1000ml Sterilised Vermiculite Casing Layer. 1 liter Sterilised

Description

This product is Sterilised Vermiculite Casing Layer
1000ml is enough Vermiculite to Case : 4x1lbs Bags of substrate or a baking tray sized Tray Grow.
You do not need to case bulk substrate in the bag only in tubs and trays.
Supplied in 3x4x18 bags
Ph 7.8
Sterilised Vermiculite casing layer.
To be Added to the top of the Mycelium/cake prior to Fruiting
Why do we add vermiculite to cakes and tubs/trays?
The tiny pieces of vermiculite form small pockets of warm moist micro climates. In these pockets the mycelium will form tiny little pins which will grow into mushrooms. With out the addition of vermiculite the amateur grow will find it hard to create the correct surface condition to form pins leading to tiny harvest.
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click here for more information on Vermiculite via Wikipedia