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Old 03-19-2013, 03:00 AM   #1
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Default How many batches does your propane tank last?

I've got two five gallon batches under my belt. About five hours time on the tank. Is it time to refill?



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Old 03-19-2013, 03:03 AM   #2
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I think my last tank I got 4 or 5 AG brews out of it, current tank is almost empty and I'm pretty sure my next brew will be number 5 but it won't make it through the entire thing. I like to have 2 tanks on hand just in case one happens to run out mid-brew. I'll use the emptier of the two if one is real close to being empty to heat strike and sparge water and then use the full one for the boil so it doesn't get interrupted half way though



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Old 03-19-2013, 03:08 AM   #3
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Too many factors. Burner size, temperature, wind, boil time, kettle size. Just lift it after each batch and estimate how much you used. If you aren't 100% confident that you have enough get it filled before each batch.

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Old 03-19-2013, 03:10 AM   #4
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You should have two tanks. That way you can run it dry and then switch. Only way to be sure.

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Old 03-19-2013, 03:11 AM   #5
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I weigh my tank with a fish scale after every batch. I know what an empty tank weighs so I can tell if I will have enough to get through another batch. Warning though; always include a big safety factor, because the last X ounces seem to go a lot faster than the first X ounces.

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Old 03-19-2013, 03:43 AM   #6
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Quote:
Originally Posted by Cbaddad View Post
You should have two tanks. That way you can run it dry and then switch. Only way to be sure.
Good call. I'll get it filled an keep a look out for another one as backup
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Old 03-19-2013, 03:47 AM   #7
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3 batches then I refill to be sure.

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Old 03-19-2013, 03:50 AM   #8
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Quote:
Originally Posted by BetterSense
I weigh my tank with a fish scale after every batch. I know what an empty tank weighs so I can tell if I will have enough to get through another batch. Warning though; always include a big safety factor, because the last X ounces seem to go a lot faster than the first X ounces.
This^

I got a luggage scale off Amazon that I weigh my tanks with. I made a spreadsheet that calculates out what's remaining. I also use it to track and trend my usage so I know what I can typically get out of a tank as well as how much I spend on a batch.
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Old 03-19-2013, 04:08 AM   #9
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I weigh my tank before a brew day. If it is less than 5lbs or so I take it up and have it topped off. I only get charged for what it takes for the fill. I have a spare on my grill and can use that in a pinch. I never let my grill run to less than a 1/4 full. It's nice to have a refill place that only charges for the amount that they dispense. Just like filling the gas tank on your car. You pay what it takes to fill it up. Not some flat rate place that swaps your tank and only fills it to 3/4 full and charges you more.

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Old 03-19-2013, 04:15 AM   #10
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I used to get only 3/ 20lb tank but that was with a 60,000 BTU venturi style propane burner. I've since moved to a low pressure regulator 12,000 BTU burner and it seems to be using alot less propane. I always have a spare 10lb cylinder at the ready though just in case I run out.



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