[attachment=2:2qccuti8]1.jpg[/attachment:2qccuti8]i have now using the scrubber for 2 month and all iget is very dark to floursent dark green " like pickles" i have 2500 litre pump with screen 10 inch with copact floursent 23 watt on each side and it is loose not strong algae it looks like paper not hair
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the empty spot was a brown spot and i completely cleaned it
i have double plastic canvas" window plastic" i dont have plastic canvas in my region at all ... and i used sand paper to rough it... need to know the problem
best regard