Posted 2/4/2009 18:34 (#596566 - in reply to #596558) Subject: RE: Use Flat black
North Dakota
i too have this problem with my tanks and besides going out and buying all new black tanks i would like to try some of this stuff , but will it hurt or doing any thing to the cemicals when i put that water into the sprayer also will it hurt the crop.
algae in water tanks
