I've gladly maintained my pool with a BBB method, for over 4 months now.
All my values seems to be in check but I keep getting the grow of this "algae" . Can you please look at the pic and let me know what they are how to prevent them ?
They are quite hard to be scrubbed off. I need a metal brush for that. They do not feel slimey at touch and a simple scrub with your nail will generally be of no use.
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