My fish are all over it. Primarily YP. I am feeding the original formula, I think.. At least the bags look very old, and have an expiration date of 5/21/16, so I'm assuming it's original formula. The YP are hammering it. I am on my 5th bag though.

12 yr old pond, 1 ac, 15' deep.
RES, YP, GS, FHM (no longer), HBG (decreasing), SMB, and HSB (only two have been seen in 5 yrs)
I think that's about all I should put in my little pond.
Otter attack in 2023.