Was wondering if anyone knew of a reasonably priced but good quality co2 controller... As everyone has gone threw or will go threw you are always upgrading equipment and your set up... So now im sitting on a Sentinel- UTC1 and also an EVC2... So all I need is a co2 controller. Any out there decent priced? Or for the money would I be better off getting the CHHC-4? Just feels like a HUGE waste of money... And already have gone threw a handful of CAP(crap) controllers...