The biggest contributor to the amount of foam is the flow rate out of the tap. To reduce the foam, reduce the flow rate. You're using 11 PSI with a 5 ft line, which sounds like it would pour really fast.

Option 1: Lower pressure for serving

Bleed pressure from keg and set regulator to 2-5 PSI when serving. Re-pressurize when not serving so the beer doesn't go flat.

Pros: No extra equipment required.

Cons: Incredibly wasteful in terms of CO2. Using this method, I blasted through roughly a third of a 5# tank dispensing just one keg.

Option 2: Adjust beer line length

Make the line length longer according to the style of beer, to compensate for high pressure in the keg. This has to do with fluid dynamics. There is info available on this if you search; I remember seeing posts on this a few weeks ago.

Pros: simple, effective, and inexpensive

Cons: Requires a lot of cutting and re-clamping of beer lines for each different style of beer; no way of doing fine tuning of flow rate for more or less head; requires keeping a bigger inventory of tubing for different styles.

Option 3: Flow control

Put something in your draft system that allows you to adjust the flow rate without attaching/reattaching anything.

Pros: easy to control, less hassle/mess. Just turn a dial and get the flow rate exactly what you want it to be, to perform on-the-spot adjustments for the perfect pour.

Cons: more expensive, although I've seen plastic inline flow controllers like this $2.50 USD one

I have the Perlick 650SS tap on my kegerator and it works like a charm. If you're using a picnic tap or want to use a tap without built-in flow control, and you want something nice, you can get an inline flow control compensator like the one made by CM Becker, or (less expensive but still solid) make one using a stainless steel NPT ball valve and two hose barbs (clamps and plumber's tape not included).

Edit: info/links

I think I've got it figured out, but I could use a help figuring out / confirming the parts and connections for a recirculating line cleaner for my keezer.


When I purchased the Mark II Keg & Carboy Washer it came with an inline attachment for the post that allows you to connect tubing on the side. I've done that and attached a swivel nut with a 1/4" barb so that I can hook up a gas or liquid disconnect and divert some of the flow into the gas or liquid dip tube while cleaning a keg.


Using the same pump and the abovementioned setup, would getting a pair of these (is this the right size threading?) and attaching them to either end of a length of tubing do the job? This would, in theory, connect the swivel nut at the end of the keg washer tube to the swivel nut of the beverage line that runs to a tap faucet (after removing the quick disconnect).

edit: to point to a different hose fitting (1/4" NPT rather than 1/8" NPT)