Hi
I have a problem with black staining on my fibreglass pool
It's not related just to the fibreglass because it is happening in the plastic weir as well
I have used Lo-Chlor Black algae killer to no avail
A stainless steel wire brush moves it but very slowly
I have a problem with black staining on my fibreglass pool
It's not related just to the fibreglass because it is happening in the plastic weir as well
I have used Lo-Chlor Black algae killer to no avail
A stainless steel wire brush moves it but very slowly