well if you run good ol daa+erase, give it a a break between because the erase binds to aromatase receptors, and you want it to work 100% during pct or on cycle if you run an ai+wet compound. if you do just test boosters, it doesnt really matter
the thing with test boosters is they increase free test, which will aromatise into estrogen, so your test/estro ratio will be around the same. that kind of defeats the purpose a little, thats why people run erase+daa a lot for a natty cycle