caluclating overall OG of batch with juice added

Discussion in 'General Brewing Discussions' started by Iliff Avenue Brewhouse, Nov 13, 2019.

1. Iliff Avenue Brewhouse Well-Known Member

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#1
I brewed a 5.7 gallon batch (fermenter volume) of 1.070 and will be adding 0.5 gallons of cherry juice. I will need to take a hydrometer reading of the juice but let's say its 1.050. Am I thinking about this correctly?

Wort: 70 gravity points x 5.7 gallons = 399 gravity points
Juice: 50 gravity points x 0.5 gallons = 25 gravity points

Total: 424 gravity points / 6.2 gallons = 68.39 gravity points

So the actual OG of the beer + juice = 1.068?

2. BOB357 Well-Known Member

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#2
Points are points and volume is volume. Looks good to me.

3. Nosybear Well-Known Member

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#3
That has your juice at 1.100? Are you using concentrate? If that's true, your math is correct.

4. Iliff Avenue Brewhouse Well-Known Member

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#4
im going with an estimate of 1.050 until
I measure it. Not sure where my math implies 1.100

5. Nosybear Well-Known Member

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#5
50 gravity points provided by 1/2 gallon is 100 gravity points per gallon, or 1.100.

6. Iliff Avenue Brewhouse Well-Known Member

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#6
Last edited: Nov 13, 2019

7. BOB357 Well-Known Member

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#7
But he only added 25 points for the 1/2 gallon of juice.

8. Nosybear Well-Known Member

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#8
True, I see your point. Math error (not seeing what's to the right of the equals), sorry.

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9. Iliff Avenue Brewhouse Well-Known Member

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#9
Thanks guys. I thought I was on crazy pills there for a minute.

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10. BOB357 Well-Known Member

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Nice to know that I'm not the only one who misreads posts

11. Mase Well-Known Member

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#11
Yet another example of Maltzheimers?

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12. BOB357 Well-Known Member

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I assume Maltsheimers is an early stage of Craft Disease. (CRAFT = can't remember a freaking thing)

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13. Mase Well-Known Member

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#13
Oh no! I’m already in the second phase.

14. Iliff Avenue Brewhouse Well-Known Member

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#14
Added the juice this morning. The gravity of the juice was actually 1.084 so I got an unexpected boost in overall OG.

15. Nosybear Well-Known Member

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#15
I thought it was CRS (Can't remember s**t)?

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16. BOB357 Well-Known Member

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Nope. CRS comes before CRAFT Trust me; I've made the trip already.

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17. Craigerrr Well-Known Member

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#17
So just to be clear...
Maltsheimers, then CRS, and then finally CRAFT?

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18. Mase Well-Known Member

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#18
That’s how I see it @Craigerrr, but then again, I’m in at least one of those phases, so I may not be as capabale of diagnosing.

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19. BOB357 Well-Known Member

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