macthud: (toonie)
macthud ([personal profile] macthud) wrote in [personal profile] bluegargantua 2014-04-04 12:43 am (UTC)

If you just put your hand in the water -- didn't move any hardware when you did -- then you've already proven it's the float.

So just bend or otherwise adjust the float and/or its arm a bit.

Alternatively, you can put a rock about the size of your hand in the tank, where it won't disturb any of the hardware, just raise the water.

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