if your hitting 500 now 750 won't even be noticable, stay with 500. I would avoid cardio altogether post cycle until your nat test restores itself. Eat cleaner, keep the calories high, but clean up what your eating and you will cut up anyway. Next time get liquidex, it keeps the bloat off and stops aromatization. Run the clen when you start clomid, it's an anticatabolic agent and will prevent you from losing gains as well as trim you out providing your diet is in check.