catchment tank overflowing the top

[Guest]

You can change the depth of the overflow siphon inlet to lower the water level in the tank. I had to do this because the overflow could not keep up with the gutters during intense deluges, so I lowered the tank level by almost a foot. That was enough buffer, and it hasn't overflowed since. Came close a few times, but intense deluges are usually brief.

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You can't fix Samsara.