Hello summer, hello algae, hello pool forum!

[chem geek]

Just keep the FC at shock level for your CYA level and run the pump 24/7 so that the filter can help clear the pool. Don't worry about the film/foam. It should dissipate as the water clears up. Shocking is a process, not a one-time event.

[True Blue]

Just keep the FC at shock level for your CYA level and run the pump 24/7 so that the filter can help clear the pool. Don't worry about the film/foam. It should dissipate as the water clears up. Shocking is a process, not a one-time event.

I'm not worried about the film. I would, however, like to know what is causing it. I don't just do things because someone says, I'd like them to make sense to me.

I will surmize that one of the additives in the dichlor that I had been using caused it. Does anyone think that this is true or is there another answer?