Brushed this but didn't go away, currently SLAMing. Only thing I can think of is this past october I needed to siphon the pool to lower the level after it was closed for the season.
Rust spots?
Pool completed last August, is this worth contacting pebble tec? Vitamin c?
It's in my deep end and water temp is 54, brrrrr, cheese cloth bag with crushed vitamin c on the end of a cleaning pool?
Thanks