I had already gotten mine set up and working great. But then I was still scratching my head about how exactly it worked. Lol, I appreciate the explainer.
You didn't mention how the water level increases or decreases...does tightening the adjuster nut placing more pressure on the spring DECREASE the water level?
As you turn the adjustment nut down clockwise it will put more pressure on the spring and increase the water level in the bell. To decrease the water level, turn the nut counter-clockwise. Hope this helps and that the waterer works well for your poultry!
I just attempted the same set up. I am curious if at first, you leaked a bit around the hole in the bucket?? I drilled my hole much smaller then the tube and really had to force the tubing through the hole. Having said that, I am still experiencing a steady drip around the hole in the bucket. Do you find that in a few days, it will expand or oxidize a bit??
+LXX I have found that if the hole size is just slightly less width than the pipe, the pipe will slide through easier and seems to bond to the bucket well. If its stays wet, you may want to let the bucket dry and run a bead of caulk around the outside of the bucket next to the pipe. Unless there is a major drip, the pipe and bucket should be ok. Hope your set up works well for you!