Hydrated lime (Ca(OH)2) – 50g or 300g

$3.90$10.90

Hydrated Lime or Calcium Hydroxide, chemically known as Ca(OH)2 is used to Cold Pasteurize substrates such Straw or Sugar Cane Mulch for mushroom growing.

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SKU: 1106 Category:
Hydrated Lime or Calcium Hydroxide, chemically known as Ca(OH)2 is used to Cold Pasteurize substrates such Straw or Sugar Cane Mulch for mushroom growing.
Used on a ratio of 1g per L of water, and soaked form 18h to 24h will raise the solution PH to a very base (around PH 12) which will kill most bacteria present in your substrate.

Note: not all Lime is created equal, and some types will not work for growing mushrooms.
The type of lime you want is Hydrated Lime that is low in magnesium (<0.9% is considered acceptable). Our Hydrated Lime is well tested and works!

Composition:

Chemical Analysis

Typical

Range

Available Ca(OH)2

93.56%

92.46-95.24%

MgO

0.47%

0.45-0.50%

SiO2

0.46%

0.36-0.53%

Al2O3

0.16%

0.12-0.19%

Fe2O3

0.08%

0.07-0.10%

SO3

0.02%

0.01-0.11%

Important: Use proper protective equipment like mask, gloves and eye protection to protect your eyes, skin and nose.
Soak your substrate for 12-24 hours in cold water treated with Hydrated Lime.
Drain water and inoculate with your mushroom grain spawn.

Ratios: Use 1g of Hydrated Lime to 1L of your water bath.
We use 1x 40L flexi tub with punched holes as a basket, inside a 60L flexi tub to soak our Straw or Sugar Cane Mulch.
For a batch this size we use 50g of Hydrated Lime. Attempting a much larger batch will be difficult to lift to drain.
A 40L basket full of Straw or Sugar Cane Mulch yields about 10x mushroom fruiting bags.
We use approx. 1 cup of loose grain spawn. Our 1kg grain spawn bags comes handy and will be the right amount for 1 batch this size!

Contact us for recurring orders, different sizes or wholesale prices.

Purchases over $50 classify for FREE DELIVERY on all Perth metro areas!

Weight3.5 kg
Dimensions10 × 10 × 8 cm
Size

50g, 300g

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