I have not noticed it before, and I am adding a tablespoon of 5% Apple Cider Vinegar to the water container. The container is about 1 gal standard round water container with the open slots
One of my 12 week old pullets will peck at water rathe than scooping up a drink. She will continue to peck at the water for 10 to 15 minutes. I am concerned that she is not getting enough water.