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  1. D

    Adding base to neutralize sour beer

    Oh that's excellent, I doubt l will need that big a shift in most cases and 8g of calcium should still be drinkable, though probably tastable.
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    Replacement or alternate source for BrewTroller with volume sensing

    Do you mean through the web compilation? There will be a web UI to configure the options. We will probably remove some options that few people are using, per the survey, so be sure to respond to the survey if you have options you really care about. We're intending to eventually include most of...
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    Adding base to neutralize sour beer

    Yes, to be clear, I understand that the acid will still have its own flavor, but was hoping to reduce the acidity. This could produce a funky beer without a tang. I'm with you that I like my sour beers, well, sour, but others don't including my wife, plus who knows, maybe a lambic without...
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    Replacement or alternate source for BrewTroller with volume sensing

    Yes, there must be some bug there. Does it happen only when the PID is on full, on partial, off, or in any state? Have you modified the PID tuning or cycle time? Does the display update as the temperature changes or is the display frozen too? What's your hardware profile? Anything funky or...
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    Replacement or alternate source for BrewTroller with volume sensing

    See if you can figure out a pattern so we can fix it in the code. The pH part is really easy, a lot of those cheap pH meters put off an analog signal that would be very easy to read through the BT's analog pins. I'm not sure what you'd do with it, maybe stop the sparge when the pH exceeded a...
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    Replacement or alternate source for BrewTroller with volume sensing

    A coworker of mine is working on both, using a base Arduino to feed his BCS. He's going to give me code and schematics once he gets it working.
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    Replacement or alternate source for BrewTroller with volume sensing

    Eric can confirm but I think the BT code will just work on suitable Arduino boards, but you'll have to add a ton of input filtering, USB jack, buttons, LEDs, etc. to make it work as well as the BT board. Frankly I think the BT is a pretty good value, other than the fact you can't buy one at...
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    Adding base to neutralize sour beer

    I have a crazy idea: would it be possible to add a base such as calcium hydroxide (slaked lime) to a sour beer to restore it to a neutral-tasting pH? I see three uses for this: 1) Get the funky properties of lambic-type bacteria without the sourness. 2) Fix an accidentally infected beer or...
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    Replacement or alternate source for BrewTroller with volume sensing

    https://github.com/dseidman/BrewTroller-Official Most of my changes are in the branch feature/vessel-refactor, as well as test where I'm implementing test code. Eric has implemented some other test code in the main fork as well, in the feature/eeprom-refactor branch. Note that my branch is...
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    Replacement or alternate source for BrewTroller with volume sensing

    Check out my fork. Vessels are assigned to roles and the system knows how many there are. I had exactly your problem in mind when writing the code. I'll mention about the website. I agree it's been dead, but hopefully when the new board actually relaunches it'll get more active. BT is still...
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    Replacement or alternate source for BrewTroller with volume sensing

    Actually there's a lot happening on the software side, you just have to check out the develop branch or my personal fork in Github. They are moving to a web setup instead of editing the options in code in the Arduino environment (this was a ton of work, they are actually compiling in the cloud)...
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    Replacement or alternate source for BrewTroller with volume sensing

    Pop over to the BrewTroller Users Group on Facebook and ask there. There are a couple guys getting the BrewTroller going again, and they'll be shipping new boards soon, but they'll also be able to share the schematics with you if you want to make your own in the meantime. I have some of them but...
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    Krausening for diacetyl reduction

    So you think just warming the beer all by itself would be enough? You're right about the crud but I think it won't be enough to matter. The beer may have been slightly underpitched but not by much, I used a bunch of repitched yeast from a recent fermentation. I think it just needs more time...
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    IsoAlpha extract shelf stability

    Mostly I'm making beer the normal way, using a 3-vessel AG system. But I thought it would be fun to see how close to beer I could get using only artificial ingredients and as little prep as possible, ideally getting to instant beer where you just mix the ingredients together and drink. Just a...
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    IsoAlpha extract shelf stability

    Interesting, thanks for the review. Guess I'll boil up a HopShot and use that instead. Besides hop extract, I was thinking I could use maltodextrin for body, sugar for alcohol, lactose for a bit of residual sweetness, and food coloring. And force carbonate obviously :). It would be an IPA. I...
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    IsoAlpha extract shelf stability

    The main place I've been having issues is with beers undergoing extended aging - even though I up the bitterness in the recipe to compensate, sometimes too much bitterness drops out during aging and the beer is unbalanced. I was also thinking of making a "science beer", a beer as close to...
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    IsoAlpha extract shelf stability

    Oh yeah, great call, thanks! I even have a bunch of syringes that I got to use with CO2 extract (which isn't isomerized so can't be used for bittering without boiling).
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    IsoAlpha extract shelf stability

    I'm looking at getting some isomerized extract for post-brew bittering adjustment, as well as for some experimentation, but the stuff is pretty expensive and it will take me many batches to use a full container. Do any of you know if this stuff will keep well once opened? Seems like it might...
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    Krausening for diacetyl reduction

    I have a lager (Helles) with excess diacetyl after fermentation and a couple weeks of conditioning. I performed a diacetyl rest at 68 degrees for 3 days but due to travel the beer was already at its final FG when I raised the temperature. I know you can add some yeast at high krausen to speed up...
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    3D printed hop carousel

    OpenSCAD is free software, and there are a bunch of free programs for viewing STL files also (STL is a standard file format for 3D printing). I added pictures to the original post. This is definitely still a v1. v2 features include a microswitch for more accurate delivery, a protective case for...
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