- Jul 14, 2010
- 17
We have a vinyl pool with a SWG. Every time our FC gets below 6 we start to grow algae. Should we just keep it at 6-8? TA & PH are in range but CYA is only 50. Will the CYA being a little low cause that? Is it ok to just make sure the FC doesn't fall below 6? Will that damage anything?