Jodgey,
the worst thing you can do is go from a bulking cycle with androgens, to a cutting cycle without! I know from experience that this simply does not work--you'll lose all, or nearly all, the gains you made while on the anabolics.
Your body will be in a somewhat lower androgen state than normal due to down-regulation of endogenous testosterone levels. After just three weeks you will not be completely "shut down", but your natural testosterone levels WILL be affected.
You need to solidify those gains before attempting to cut any fat. Dieting at this point is just to much stress on your body.
First, you need to make sure your natural testosterone levels are recovered. Alpha Male or TRIBEX along with an over the counter anti-estrogen will do (better still is if you can get some Arimidex and Clomid--although this might be overkill). For a couple of weeks after your cycle take the TRIBEX or Alpha Male/anti-E while consuming a hypercaloric diet at first. After the first several days on this hypercaloric diet you can start to taper your calories back down to isocaloric.
After a couple of weeks on this PCT (post cycle therapy) your natural testosterone levels should be recovered and your gains solidified. Now you're ready to go on a cutting cycle (with or without androgens).
As far as using HOT-ROX or Methoxy-7 post cycle, both are said to be anti-catabolic. So, as long as you don't try to diet right after coming off your bulking cycle, either should help you maintain your gains untill natural testosterone levels are restored.
Hope that helps,
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