I have AquaPro, and it worked fine up until the last few bags of food. It's bridging across the opening going to the spin plate. I think the hole in the bottom of the feeder is barely large enough for AM 600, and a slight variation in size (larger) causes it to bridge.

www.hoosierpondpros.com


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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).