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- #181
Nice job! That's a nice bucket too, with a Gamma lid.
Those Gamma lids can seal pretty well, so be sure you have a small air vent so when the water level drops, it doesn't cause a vacuum lock inside, which will make it impossible for the birds to get water out. Rather than drilling a hole in the lid where (small amounts) of dust can get in, drill it on the bucket, just below the lid, up high but above water level. A teeny hole will do just fine. It may actually work just fine without an air hole by simply not tightening down the Gamma lid, I'm not sure. But because those lids are threaded, it's possible you could get an airtight seal even without it being tightened down. Perhaps you just need to test it out a bit first.