You can raise CYA by getting some granular stabilizer and putting it in a sock or nylon knee high and hang it in front of a return with the pump running until it's dissolved. You can get stabilizer at the pool store or Walmart.
Don't bother testing for it for a week as it won't register fully on a test until then. Just assume it's there and adjust FC accordingly. ?
Don't bother testing for it for a week as it won't register fully on a test until then. Just assume it's there and adjust FC accordingly. ?