Keep light away from water, glycol . Light can cause growth. As for temp if you are at 38 degree glycol that means 28 degree evap temp, you need the glycol. 30 % glycol would be better. To much glycol lowers heat transfer .
I set co2 at 10 and left alone. Temp at 34-36 . 5ft 3/16 beer line. When I pour I get a glass full of foam. I have noticed that the temp swings in the keggerator enough that I am going to change t/stat , stat has stuck once. Could these temp swings cause all this foam. I have caught the box as...