Ideal pH is around 6.5-7.0. Tilapia are legal in Ohio and they eat algae.

I've used both Tilapia and algaecides in the same pond at the same time.

How shallow is your pond?

Chelated copper products don't affect Amurs if applied according to the label.


www.hoosierpondpros.com

[Linked Image from lh6.ggpht.com]
http://www.pondboss.com/subscribe.asp?c=4
3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).