They have a chamber into which the vacuum process takes place. Chamber machines also differ from suction machines in which bag you use. Make sure you purchase a pre-made bag that is smooth on both sides.
Some bags aren’t meant for Alaskans. You simply catch TOO many fish. Your issue is with the bags. When the heat bar becomes too hot, the embossing on the bags flatten which doesn’t allow air to escape. Try these techniques/suggestions:
Call 907- 258- 7502 to connect with one of our friendly team members. SUMMER HOURS: Monday-Friday: 8am to 6pm, Saturday 9am to 5pm, Sunday: Closed WINTER HOURS: Monday-Friday:10am to 6pm, Saturday 9am to 5pm, Sunday: Closed