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3mm Pumice (20 Liters) for your Worm Farm or Homemade Potting Mix

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Pumice is a good material for your worm farm if the material in your worm farm is clogged and wet. Pumice helps aerate your worm farm and/or potting mix.

We sell the pumice by volume and not by weight as wet pumice is heavier and gives false readings.

1 liter $2
20 liters $28

particle size of 1-3mm
washed and screened

If you want to know more about pumice check out Wikipedia


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