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How many times have you sold your equipment and started over? What were your reasons for selling? What were your reasons for starting over? I've sold my equipment once. Thought brewing made me look bad to those around me and was leery of having so much equipment around. Now I view it...

You're paying more for the communication electronics and the software, than you are for a good PH meter. Milwaukee PH-55 Milwaukee PH-56 Milwaukee MW-101 Milwaukee MW-102 HM Digital PH-200 Are some good meters to check out. More Info...

Add hot water to crushed malted barley, stir, wait for enzymes in barley to convert starches to sugars, drain the water from the grains, add more hot water to the grains, stir, drain the water from the grains. Now proceed as you would with a normal boil. Now go pick up your brewing toys, ckmpls!

Scatter the seed by hand as evenly as you can over the area. Take a garden rake and lightly rake the area so the seed is covered by a thin layer of soil (about an inch). A farmer would use a grain drill, which is more precise about seed depth, but it's also a mechanical machine that puts the...

The bag in BIAB is nylon which does emit a smell that can make folks nauseous, as do a lot of plastics / rubbers. Voile bags are better than nylon, but still a little "smelly." Glad to know that your wort is in contact with food-grade materials.

The next step is obviously to convert from an SRM number to an RGB triplet to be displayed on a computer screen. Two methods exist: 1.) Create an SRM->RGB lookup table by assigning RGB triplets to SRM numbers and interpolating between those that don't have an assigned RGB. Scanning an SRM...

One benefit to 3 big stainless kettles is food grade material. The benefit of stainless steel and silicone is that they are neutral to those of us who are sensitive to the compounds extracted from contact with PVC tubing and pipe. Contact temperature and time as well as the PVC formula can...

Would it be possible to add the SPA Panel Wiring Diagrams to the OP? 4 wire -> 4 wire https://www.homebrewtalk.com/f170/wiring-spa-breakout-box-anyone-got-pictures-360313/ 3 wire -> 4 wire https://www.homebrewtalk.com/f170/spa-panel-wiring-dummies-266751/

It seems there's a difference between: 1.) Measuring SRM (Spectrophotometer, Measure Absorbance, Principal Components, Augmented SRM w/ different beer samples, etc...) 2.) Estimating SRM (Lovibond, EBC, Malt Color Units, SRM, Morey SRM, Daniels SRM, Mosher SRM, Calculated Tristimulus via...

I'd buy one only if it was a hologram hypercube with dynamic voice activated color lookup ;) I would guess the production cost on something like that would be huge and you'd have a $300+ model. It'd definitely be interesting to see, maybe a virtual one could be made and manipulated in a...

That diagram should be 4 Dimensional with Weight and Volume or at least 3 Dimensional with MCU.

Interesting setup, but I would argue that you haven't eliminated the 3 vessel system. The bag is indeed a vessel, along with the boil kettle and that black pipe where the recirculating RIMS water get's held, that's your HLT! In fact, it's only part of your HLT with the other parts being your...

It'll probably work for that, however most of those meters have an accuracy of +/- 2-3% with some as high as 5%. A better solution may be to use weight to make volume measurements. Water weighs 8.34 lbs / gallon at room temperature so figure out the weight of 1L and make your marks. Let us...

Depending on system design it may not be "chilled." Also, it might leave a "plastic" taint or taste in the beer due the lines being PVC. You can purchase Polyethylene lines instead to solve the problem. https://www.homebrewtalk.com/f35/beer-line-tests-solution-plastic-taste-60380/

If you're going to use a D65 Illuminant because of Rec. 709 B, then you may be varying from the spec. which is a C Illuminant w/ 10 Degree Observer. Of course if you're displaying on screen then you should convert from C - 10 Degree to your choice of Illuminant / Observer by using a Bradford...

Interesting find. Besides the question of - is the flow-meter food grade, some problems I can foresee would be tiny bits of grain clogging the rotor, 1 L / minute may not be low enough to measure the flow from a grant on a homebrew system and calibration for liquids with Specific Gravity...

I think we're on the same page. ;)

Given only an SRM you could take the antilog of the average spectral characteristics to generate a transmission spectrum -> tristimulus -> random color space. How are you getting the initial SRM? Probably through MCU and one of the SRM estimate equations (Morey, Daniels, Mosher). Though I...

Right. I would guess most software isn't generating the transmission spectrum -> tristimulus values -> whatever color space. You have to think non-scientific when it comes to most programs. A simple lookup table could be made by taking a chart from the internet, reading the RGB values with...

Beer recipe software will generally derive its SRM values from the summation of dilution equations specifying Malt Color Units (MCU) and converted to SRM using some non-linear relationship equation such as Morey, Mosher or Daniels. What you have when you do this, is Morey SRM, Mosher SRM or...