After two summers of using the Permasalt system, I'm ready to switch over to using a SWG. While the water with Permasalt was easy to maintain (replace the chamber every year, add salt), there just wasn't enough FC in the water for my liking.....especially with our son getting ready to start using it this year. I've read a ton on the site and know more or less what I want buy, but I'm curious if I need any other equipment other than what I have. Any thoughts are appreciated.
Also, how often should I replace the sand in my SwimPro filter? Might still be the original sand (6+ years old) for all I know. I see there are also a few different filter sand alternatives as well.
Thanks in advance.