I put my 3 and 4 batch in the kegs 6 weeks ago. I set them to 12 psi for two weeks and didn't touch them during those 2 weeks. For the first 2-3 weeks after they poured perfectly. Since then they have increasingly started to pour more and more foam to where now i am getting 3/4 foam 1/4 beer. This also happened with my previous two batches as well. Using corney kegs, 5 ft lines and not sure abt temp in the fridge. Last night I shut down the gas, released pressure and then reset pressure to 6psi. Will check results tonight. Any suggestions or advice would be appreciated. Thanks in advance! Cheers