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not4sale
@edmundro
My colleague has pointed out that given the available size bed I’d probably get the same benefit a cold sink by just putting a 12” deep channel filled with gravel down the middle.
He doesn’t reckon at my scale I’d get the walipini benefits.
Will start digging tomorrow and see how bad chopping through the clay is. I just love the idea of being a hobbit and sitting, listening to the rain hitting the tunnel :)