foam generator

I just helped another owner with a foaming problem on his system, he had so much of his foamer chamber packed with stainless steel scrunchie material that it literally destroyed all of the check valves from the back pressure, so my question is this "what should be the amount of scrunchie...

Hello carwashforum community. Recently, I have a small contest going on among the customers in a car wash shop. The question is, what is the exact name of the foam equipment used In the picture. Thank you for helping me. Have a nice day!

Our Wonder Wizard 2.0 seems to really pump it out from the right side and not nearly as much on the left side. Anyone seen or dealt with this before? Seems to cover 75% of car from right side and 25% coverage on left where equal from both sides would be more ideal.