Actually the water's going to have to come in at the bottom of tank 1 to push the heated water up and out until it's gone. Possibly the same for tank 2 and move the probe up. Not sure. Pic is goofy.
I'm building out a new self-refreshing, cold water source for the birds. My sitter won't be putting ice in their buckets 4 times a day while I'm on a biz trip and it's 95+ degrees.
So I've purchased a wifi fermentation temperature probe that connects to two appliances that will either heat or...
Sprinkle sand on all horizontal surfaces in the coop, particularly the roost board (if you don't have a roost poop catching board, install one - world of difference.) Then it's incredibly easy to keep clean with a 12" mud scraper. Scrape it into a pile, sift through a mud shovel off the edge...