This is my first time using .. I want to stack decca and test .. Can someone here please give me some info and details how to stack why and possibly why not.. I work derrecks on an oil rig and this is for strength power and size.. I would like to gain all that I can from this cycle.. I am 34 years old 5'2 135 lbs with a 3-6percent body fat..I've always been muscular and thin with a fast metabolism..