Quote:
Originally Posted by buffalobillpatrick
I can buy HDPE 275g IBC tote tanks for $75
Idea is to bury 10x of them in 4' wide by 8' deep trench at 10' spacing in between each.
Each tank has about the same surface area as 300' of 3/4" pex.
I would add heat to them from my 300ft2 solar panel array.
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Unless they're always full the backfill will likely crush them.