RE: After a brush with Covid, it's back to blogging for me!

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Oh yes let me know when it's done!

I do fill a black bucket with water/comfrey etc and put it under the seedlings in spring. Heats up during day, releases warmth at night - at least that's the theory. Who knows if it works.



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(Edited)

That's an excellent idea. It's called thermal mass. I know folks who have black drums full of water or sump oil to absorb heat in the daytime and radiate it out over night. Your technique may also generate a little heat through the fermentation.

There's an old technique to make ice that uses the principle of black body radiationt o make a black object put out more heat than it stores. It was used by settlers and folks in arid lands to get a little cooler.

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