I hadn't considered that. The stone was put in when the pond was dug last summer. I don't have a way to measure the alkalinity I don't think?

I used more Cutrine+ on this past application; and that is when more of the seemingly dead FA came floating up. Perhaps I just need to use a greater concentration due to it being neutralized by the alkalinity?

Is there an alternative treatment method besides a copper based solution? Everything I find seems to be copper based? Would more dye be effective in limiting the growth potential?

Thanks for the input.

Last edited by Eric Creps; 07/16/20 07:57 AM.