Before I ran water lines and hooked up auto waterers in our rabbitry, we used 2 liter bottles with drinking spouts. We put 1/8 tsp bleach in each bottle to keep algae out of the bottles. You can probably put some bleach in the large tote to control algae if it becomes problem.That sure beats hauling buckets! That looks great! I have one of those totes. I wonder how hard it is to keep clean?
Have you noticed that they don't "crow" loudly at first? It is like they are trying it on for size to see if they cn really do it. Almost like a whispered strangled crowing until they finally get it right! LOLA rooster learning to crow sounds like someone is strangling him!