dirty pool water

Hi, I have a 55k litre chlorinated pool with a sand filter. I try to keep the chemicals pretty balanced, testing every 7 to 14 days. A couple of weeks ago my pool water turned from crystal clear to murky/dirty. The timing coincided with me doing some work digging up and resurfacing the lawn...

Hi all, I just brushed the steps, walls and floors of my pool and disturbed a bunch of dirt that I didn't know was there. The water is now cloudy & dirty-looking, but it was clear before the brushing. This is the first time in about a month that I've brushed because we've had a lot of heavy...