Does any one use bleach when you clean your waterer? I've started doing that because I'd get poop in the water.....I have a big 5 gallon plastic one and no matter where I put it and how high I put it, there always seems to be poop in the tray! I think I have some one perching on top of it. I'm hoping this will help keep any kind of sickness from spreading. They don't do it to my two 5 gallon feeders. But those are suspended on chains from the ceiling. Also, if you use the big 5 gallon plastic waterer with the red bottom tray, do you have problems keeping the bottom of the inside clean? It seems like there is a ledge there that keeps the bottom tray on but it catches stuff! I finally just got a sponge and stretched my hand down into it and finally scrubbed the bottom......cleaner, but not as clean as I would like. But I scrub every time I re-fill and put a little bleach in and swish then rinse. THEN fill. It seems to work and they haven't gotten sick from it. But I wish I could reach the bottom better.