Posted 2/13/2019 20:56 (#7319267 - in reply to #7319192) Subject: RE: optaflexx
all over Iowa
OptaFlexx and ActoGain are essentially the same thing, and both are different from Zilmax (and much safer to use). They've all been around the same amount of time, most of them were used in other countries before they were approved in the U.S.