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re: Homebrewing: In-Process Thread
Posted on 3/24/15 at 8:11 am to BottomlandBrew
Posted on 3/24/15 at 8:11 am to BottomlandBrew
quote:
Is the brix side correct?
Yes. Should be.
0
Posted on 3/24/15 at 8:12 am to BottomlandBrew
quote:
Is the brix side correct?
That doesn't make sense to me either. I do not have the dual reading refractometer, just the Brix side. And my simple math conversion is Brix x 4.4 gives me a decent estimation of the SG. Based on his two photos the Brix reading and the hydrometer are basically the same at 1039.6/1040. However his SG reading on the refractometer is way off.
Posted on 3/24/15 at 8:20 am to Fratastic423
I'm open to interpretations.
This is my understanding of the problem.
quote:
Gravity to Brix Accuracy Typical dual scale refractometers use a linear 4 x gravity to Brix conversion. That’s fine and dandy up until around 1.049. At that point this linear scale starts to become inaccurate. Brix 11 does equal 1.044, but Brix 12 does not equal 1.048. It is 1.049. It’s only 1 point off here, but up at Brix 24, it’s up to 5 points off. Brix 24 equals 1.101 not 1.096.
This is my understanding of the problem.
Posted on 3/24/15 at 8:32 am to s14suspense
I knew that it became inaccurate as the number grew but that for most of my beers it is close enough for me.
Posted on 3/24/15 at 8:35 am to s14suspense
I was always under the impression that refractometer's were fairly easy to read. Didn't realize there were factors to consider.
I need to get one of these, because i believe my hydrometer readings are skewed.
For instance, a couple homebrews ago, as i finished up my boil, i took my thief and grabbed a sample. Added my hydrometer, got a reading and wrote it down. I then took my hydrometer and put it directly in my brew kettle and took a reading. The 2 were off pretty significantly. I don't remember the exact OG's but i think the OG in the hydrometer was around 1.058 and the reading from the brew kettle was 1.052/050 (adjusted for temperature). So for some reason, my densities were different from the thief to the brew kettle. My only thought was that maybe, some of the trub got gathered up in the thief, making the wort in the thief more dense.
Which made me think, i need a refractometer.
I need to get one of these, because i believe my hydrometer readings are skewed.
For instance, a couple homebrews ago, as i finished up my boil, i took my thief and grabbed a sample. Added my hydrometer, got a reading and wrote it down. I then took my hydrometer and put it directly in my brew kettle and took a reading. The 2 were off pretty significantly. I don't remember the exact OG's but i think the OG in the hydrometer was around 1.058 and the reading from the brew kettle was 1.052/050 (adjusted for temperature). So for some reason, my densities were different from the thief to the brew kettle. My only thought was that maybe, some of the trub got gathered up in the thief, making the wort in the thief more dense.
Which made me think, i need a refractometer.
This post was edited on 3/24/15 at 8:37 am
Posted on 3/24/15 at 8:48 am to BugAC
quote:
My only thought was that maybe, some of the trub got gathered up in the thief, making the wort in the thief more dense.
unless it was dissolved into the liquid that shouldn't make a difference.
Posted on 3/24/15 at 9:25 am to LoneStarTiger
man, I really fell asleep on my brew schedule. I had no idea that my keg of pliny clone was so low until it kicked last night. It was still drinking pretty good for 3 month old DIPA. The nose had faded a bit but it still tasted really good to me.
So, now I have a package from AHS coming today with the stuff to make the sour base, and need to brew something else to put in the keg, probably the Fortunate Islands clone. Would have been nice to save the second shipping cost and ordered both together.
So, now I have a package from AHS coming today with the stuff to make the sour base, and need to brew something else to put in the keg, probably the Fortunate Islands clone. Would have been nice to save the second shipping cost and ordered both together.
Posted on 3/24/15 at 9:46 am to LoneStarTiger
What is a reasonable price for a 5 gallon keg?
Posted on 3/24/15 at 9:50 am to DVA Tailgater
Ball Lock - 50-60
Pin Lock - 35-45
Pin Lock - 35-45
Posted on 3/24/15 at 9:50 am to DVA Tailgater
New? Used? Pin? Ball?
Posted on 3/24/15 at 9:52 am to Fratastic423
quote:
I knew that it became inaccurate as the number grew but that for most of my beers it is close enough for me.
Your brix refract is correct and the calculation you use should be correct as well. I can't depend on my non-corrected scale SG conversion. Pretty sure my hydrometer is worthless. What's the best post-fermentation refractometer calculator?
Posted on 3/24/15 at 9:54 am to s14suspense
The one on my computer is from MoreBeer, but i havent used it in a long time.
Posted on 3/24/15 at 9:59 am to s14suspense
quote:
What's the best post-fermentation refractometer calculator?
I use brewzor calculator app (android)... the app is ugly as hell, but it was free and works.
Posted on 3/24/15 at 10:01 am to DVA Tailgater
keg connection is having a sale with brand new 2.5, 3, and 5 gallon kegs for $100
LINK
you can find used ones cheaper though
LINK
you can find used ones cheaper though
Posted on 3/24/15 at 10:18 am to LoneStarTiger
kegged my petite sour this morning.. Kettle soured a berliner base, fermented with WLP644 - Brett Trois, and aged on blackberries.
This was my first time using WLP644 and it turned out great. The beer picked up a TON of flavor and color from the blackberries and the brett was a breast and continued fermenting strong until it drove the pH to around 3.1.
Only unfortunate thing was that WLP644 vials only have 3 billion active cells. To build up from 3 billon cells to Chad Yakobson's recommend pitching rate (between ale and lager) took three steps. If I did this again I'd spend the money to ship in some Omega Labs Brett Trois blend that starts with 150 billion cells and save myself some time.
This was my first time using WLP644 and it turned out great. The beer picked up a TON of flavor and color from the blackberries and the brett was a breast and continued fermenting strong until it drove the pH to around 3.1.
Only unfortunate thing was that WLP644 vials only have 3 billion active cells. To build up from 3 billon cells to Chad Yakobson's recommend pitching rate (between ale and lager) took three steps. If I did this again I'd spend the money to ship in some Omega Labs Brett Trois blend that starts with 150 billion cells and save myself some time.
Posted on 3/24/15 at 10:22 am to LoneStarTiger
quote:
keg connection is having a sale with brand new 2.5, 3, and 5 gallon kegs for $100
$75 for new kegs here
Posted on 3/24/15 at 10:28 am to BottomlandBrew
Damn that is cheap
Posted on 3/24/15 at 10:28 am to BottomlandBrew
Wow, that's a great price...
Posted on 3/24/15 at 10:37 am to LSUGrad00
blackberries and blueberries sure do make a nice looking beer.
Posted on 3/24/15 at 10:55 am to LSUGrad00
I know. I'm really considering picking a couple up.
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