Its recommended to run throughout your cycle, at 250iu twice a week to keep the boys hanging strong!!! Then after your last Test Pin you can run a blast phase of 500iu every day for 10 days, than allow 4 days before you start your PCT. And once you get enough post you can PM me about locating Human Chorionic Gonadotropin (HCG) in the USA. : )
Assuming your running a 12 week test cycle it would look like this
Weeks (1-12) 500mg Test E, pinning twice a week at 250mg
Weeks (1-12) 500iu Human Chorionic Gonadotropin (HCG), pinned twice a week at 250iu
Week (13) aka 10 day blast of 500iu Human Chorionic Gonadotropin (HCG) ed.
wait 4 days after last blast day, then start your PCT