ozpowell
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My Tap-A-Draft arrived yesterday, I'm all set to go, I even have an All Amarillo Ale halfway through fermenting. I'm thinking I'll fill the two PET bottles I've got with this brew, force carbonate the first, and put some carbonation drops in the second and hope it takes me a few weeks to drink the first bottle.
I'm wondering if you can answer a few questions I have.
Can you give me a quick guide to force carbonating with the TAD?
How many CO2 bulbs can I expect to use? Do I need to shake/rock and roll it around when cold? How long will it take to carbonate?
Hey Wardhog,
Force carbonation with TAD is pretty simple. Be sure to fill your PET to within only 1 to 1.5 centimeters from the lip on the neck - don't leave too much head-space. Attach the valve unit. NOTE - when cleaning, don't submerge the valve unit in any kind of sanitizer, it will dry up the lubrication inside the pressure valve, just run the bits exposed to the beer under hot water for a minute of so and then attach to the PET bottle. Insert two CO2 bulbs and place in the fridge. You will notice that the PET bottle become very firm once you've attached the bulbs. Check the bottle every few hours and, when you notice it is no longer firm, replace ONE of the bulbs. Repeat this procedure until the bottle no longer loses it's firmness. I usually alternate the bulbs that I replace (ie. left then right then left etc.), but that's probably not necessary.
I haven't ever actually force carbonated from scratch. Whenever I force carbonate, I usually still prime each PET bottle with 4 to 6 carbonation drops (ie. 15 to 25 grams of priming sugar) and leave the bottles for a few days before force carbonating as per above. Using this method, I usually go through about 4 bulbs to carbonate the 6L. So, at a guess, if you're doing it from scratch, I'd say you'll need probably 6 bulbs. Probably a day or two required all up.
I've never tried shaking/rocking the bottles to increase the CO2 absorbsion. If you try it, let me know how it goes.
Note also, if you're naturally carbonating, don't use the same proportion of priming sugar/malt extract that you would normally use for bottling into 750ml bottles. I would suggest no more than 40g of priming sugar per 6L.
Finally, I find that it takes a good 3 or 4 days for all of the sediment to settle out and I'm pulling crystal clear beers.
Let me know if you have any more questions.
Cheers,
Michael.