Lime for oyster mushroom substrate. Why and how to add it? Cold pasteurization of the substrate.

#oystermushroomcultivation
What type of lime is used and what is needed in the substrate. How much lime to add to mushroom substrate?
0:31 - Cold pasteurization of mushroom substrate
1:26 - How to sterilize mushroom substrate with lime?
2:19 - What kind of lime is used for the substrate. Calcium and magnesium lime.
3:26 - Is it possible to work without lime? Oyster mushroom pH level