I'm also wondering about algae...I would love to try the nipples because our birds drink so much in the heat. Freezing not really a problem here in North Texas, but nasty stagnant water sure is. Can these be flushed with a bleach solution to clean? Perhaps take the nipples off and soak them separately, then flush the lines. It would be a nightmare if we left water in a container for a week and expected the chickens to drink it.
What does the vinegar do? Help with algae?
Ladysfield