Proper Keg pressure for Guinness Stout

[george_1919]

I've recently switched over to Guinness stout and need to know what the correct pressure range should be set too. When I purchased the conversion kit the sales guy told me to keep the keg at around 7 PSI but after around the secound week the beer starts to taste a bit off and the head is thinner when poured.

Is this the correct pressure or is there somthing else I am missing that could be causing my problem?


Only 125 Calories??? BRILLIANT!!!

[Beer Dr]

For guiness you should have a stout faucet and a Mixed gas 75% N2/25% CO2 at a pressure of 32 lbs.

[draught guy]

If u are using a keg box or kegerator 28' of nitrogen or beer gas a premixed blend will work you have to get a different reulator if you were pouring a co2 beer previously with beer gas or nitrogen you will get a full head and the cascading that guinness folks appreciate.You will also need a stout faucet with a restrictor nozzle like the beer doctor stated good luck[^]

[Beer Dr]

You should not use straight N2 for Guiness, as with any beer Guiness has a natural C02 content that must be maintained. Using straight N2 would eventually let the barrel go flat before finishing it. Premixed bottles are always inaccurate. The only way to be sure your getting a sure 75%N/25%CO2 mix is with a blender. Not always feasable for home use. Use premixed gas if economically necessary, not straight N2. 28 lbs. is low, unless your product line is to short. Curious to know where the 28' came in Draught Guy, personal experiance or on paper somewhere I missed? I'm always looking to further my knowlege

[draught guy]

The 28' rule for keg boxes was passed on to me a few years ago by a senior tech.and it seems pretty good especially in slow moving accounts.

[Scott Zuhse]

This senior tech most certainly was not associated with Guinness. To maintain perfect gas equilibrium at 38 F for a direct draw application and to obtain the cascading pour, 28 PSIG of 28%N and the rest CO2 should do the trick - particularly in slow moving accounts.

Scott Zuhse, Instructor Micro Matic Dispense Institute

[draught guy]

That pressure was for a keg box with nitrogen or beer gas and ihave not had to return to N. Georgia for problems just line cleaning .Some aspects of this field can't be found in a manual no disrespect scott u r an intelligent person but this works for me.

[Scott Zuhse]

Draught guy, this has to be the blend if this is working that well for you. Otherwise the beer would be so flat at the end of the keg that you would definitely notice.

Scott Zuhse, Instructor Micro Matic Dispense Institute