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Does any who adds potting compost, or similar, to their substrate mix sterilise it before use?
I was looking at some of the mixes used by members here & some mention potting compost. A few years ago a gardener was diagnosed with Legionnaires’ disease which it is thought he contracted via potting compost, due to a cut on his hand.
Potting compost contains all sorts of microorganisms, some of which are good for what gardeners want, but some are bad, even for gardens.
As a school boy, one of my favourite skives was sterilising the soil in the school greenhouse.
Looking online I found it was perfectly possible to sterilise the small quantities we need using a microwave oven, or by spreading some on a baking tray & heating it in a conventional oven.
I was looking at some of the mixes used by members here & some mention potting compost. A few years ago a gardener was diagnosed with Legionnaires’ disease which it is thought he contracted via potting compost, due to a cut on his hand.
Potting compost contains all sorts of microorganisms, some of which are good for what gardeners want, but some are bad, even for gardens.
As a school boy, one of my favourite skives was sterilising the soil in the school greenhouse.
Looking online I found it was perfectly possible to sterilise the small quantities we need using a microwave oven, or by spreading some on a baking tray & heating it in a conventional oven.