I have been reading some of the extensive posts on the site regarding the pros and cons of different beer line cleaning fluids and am still a bit unsure about which is the best. factors for me are cost and effectiveness. I have used some of the cheaper brands from the cash and carry and have found through experience that these are cheap but not so effective. I know use Proton’s Prosan Plus and find this to be a good product, if a tad expensive. Just wondering if any of you other folk could recommend another product. I clean my beer lines once every 2 weeks and have no problems.Any thoughts?