I suggest two prong approach spray with cutrine or smiliar copper product then fertilize. I do beleive water soluble fertilizer is much easier to use and effective. Walt many folks do not care about fish they just want a pretty pond, so I see why they use dye. I 100% agree about fishing clients using it they do not realize the damaeg they are doing. You think clear pond means little fish production try to shock one that has been steadily dyed for years, barren of fish for the most part.
