Shot pressure
Just purchased this machine and I’m in the process of dialing in. I’m wondering if it’s normal to see my initial pressure around 9.5 and slowly drop to 9 throughout the course of my shot. I’m going 20g in to 40g out in around 25-30 seconds and the taste is quite balanced. I find that if I grind courser I can get the gauge to read 9 consistently, but the shot time drops below 20 seconds. Is this a common occurrence or should I look to troubleshoot?