first injectible - Testa or GHRP-6

[Msnk8]

hi guys i am new to the roid family please enlighten me with your knowledge
im a 6ft tall guy
185 pound ,, body fat around 12 biceps 16

i hv been workout out for 3-4 years and came from 108 pounds to 174 pounds naturally and after waiting for a long time to break this still point i started it
i recently followed dianabol 6 weeks cycle 40mg per day spread out evenly with anavar for 3 weeks 20 mg per day before workout and reached to 184lb

now that i am getting good results from it i would like to take it a step further
can you guys please suggest me should i go for testa or ghrp
also i am in the last week of my cycle so from when can i start taking the injectible and do i need a pct for the current cycle

i cannot attach my picture here for your expert reference i am attaching the link to my photo ,,thanks a lot

if the picture is not sufficient enough please youtube as i cannot post the link please search :-
Indian Naitonal Aesthetics - this is what we live for
i am the guy with abs