The Cutrine web site says "CUTRINE®-PLUS should be diluted with at least 9 parts of water to facilitate even distribution during application. Surface spray is most practical for treatment of planktonic and filamentous algae."
Applied Biochemists

In my 2 acre pond, I have algae around 75% of the shoreline, about 3-4 feet average width of mats. At 9:1 ratio, I'm planning on about 43 oz Cutrine Plus and 3 Gal. water in my backpack sprayer. That's a good bit weaker solution than the 2 Gal Cutrine to 3 Gal. Water mentioned by Lee above. Will my 9:1 solution be strong enough?

Thanks,
Dave