Something has started happening (or at least increased). Whenever someone splashes in my pool, bubbles rise to the top of the water and fizz for a couple of seconds. It's like my water is carbonated. When I'm under the water level, and I splash my hand in, I can see many small bubbles rising to the top.
What is causing those? I think I've read on here before that they are good. In the past I have not had those, or at least as many.