Re: First SLAM
That's helpful information, Danacc, thanks!
Retested at 4:15: FC = 22.5 still. Brushing again now.
That's helpful information, Danacc, thanks!
Retested at 4:15: FC = 22.5 still. Brushing again now.
Those don't look like black algae to me. I suggest you test those stains for metals. You can crush some cheap vitamin C tabs in a sock and hold the sock (use a long pole) on the stains for a minute or two and see if it lightens.The two large symmetrical patches aren't budging at all. I'm wondering if they aren't algae at all but maybe a patch job from where a long-gone ladder attached or something? This is in the deep end fairly close to the diving board. Take a look at the pic and let me know what you think: