My resurfacing was about a year ago, and I'm starting to get some mustard algae. Old brush is toast, whats the current best brush to use? I have Midnight blue quartzscape, so don't want to hurt my surface (I have abalone too, if that matters). Do brushes with stainless bristles degrade/abraid the surface? Is the whale tale thing a gimmick or useful?
Thanx for any input,
Joel
Thanx for any input,
Joel