Deca is OK as long as you use Test with it. Read this http://forums.steroid.com/showthread.php?t=131230 You should always use more Test than Deca and finish the Deca a week before the Test. Deca Dick is the biggest problem, meaning sometimes it can cause Johny not to rise to the occassion. I think Deca is used to chemically castrate sex offenders in some placesOriginally Posted by Joe Cobra