Ok guys new to this i have a kegerator first two 1/6 kegs of bud worked great then a 1/2 bought a 1/2 barrel of sam adams boston lager set pressure to 10 psi and only had spurting foam then laid it on its side and works great thought the siphon tube was bad so took it back and got a 1/2 barrel of bud and have the same prob. please need help here guys thx