This year when opening my pool it was discovered that the old sand media filter was kaput and was going to need some servicing. LocalPoolCo has always been a nighmare to deal with, and this was no exception. Getting them to call me back is like pulling teeth. So eventually I decided nuts to this and ordered a cartridge filter which should be here tomorrow that I plan to install myself. My pool definitely green. I haven't bothered putting any bleach in it since I had no filtration (this may have been a mistake?). So once I get the new filter installed I'm definitely going to have to SLAM for the first time.
I'm curious, during the SLAM should I keep the pool covered to mitigate FC loss due to sunlight and prevent additional contaminates from entering, or should the pool be uncovered while SLAMing so it can ventilate or something?