Would you please tell me how to agitate Max or PMK pyro? My biggest problem with pyro is the sky... I shot with 11x14 Chamonix and notes grainy sky! HOW IS MY AGITATION: I agitate Max pyro at 70F for 7 mints... 3.5 strong agitation horizontally and 3.5 vertically. And I agitate till the pyro would splash on both sides of the tray. Would Please you help me figure out what is the problem.