Please quick advice for my first ph

[theubermensch]

Hey I posted this on another part but no answer. I'm going to run p-mag in a couple days, I have two bottles I was wondering what kind of pct I need for it I was planning on killing both bottles and running 50/75/100/100/100 will otc cover that if not how legit is ag-guys or can u direct me to another research chem site or not idk the legalities btw 5'6 177 19% bf 22yrs old

 

[theubermensch]

I also have two dplex and one dzine in case u have any other suggestions btw my main concern is holding on to every gain made while on pct no matter the cost