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Bobby, no offense, but what you said above doesn't make sense. If it depends on equilbrium, then it depends on concentration gradients. By definition equilibrium is when the concentration gradient is zero. If you have, let's say 1.06 gravity potential "locked" in the grist, then you need to...

Your efficiency is further reduced because the concentration gradient between the water/sugar trapped in the mash and the water/sugar in the wort is less. Just like heat exchange needs a temperature difference, mass transfer needs a concentration difference. As the difference approaches...

Maybe so, I guess you could say that it's technically a three vessel system because I need some water storage. However, if you're able to use tapwater, it is a two vessel system. Even if not, you only need a small container for the sparge water. I start with RO water from my own machine...

The pol, You're right on the RIMS heater replacing the HLT, that's the idea. Building your own water isn't a concern. As it's drawn up, the pump will actually be able to move water from a container to feed the system. You can mix your strike water in the kettle and sprage water in a...

:confused:In looking through various builds on this board, I'm still confused about the Brutus system.:confused: My confusion is centered on the way that the Brutus sparges by mixing the wort with the sparge water. Scoates has an excellent diagram on this thread. What is the purpose of this...

Ah, I see that I was looking at your vessels in reverse (thinking your kettle was your MLT). What I was thinking (in drawing up mine) was that I didn't like the sparge technique that you mention. I know other systems use it and it works, but it doesn't seem as effective to me. By passing...

The March 809 has 1/2" fittings, so most people go with 1/2" tubes/pipes (I believe).

Why not send your fresh water through the RIMS heater before it goes to the MLT? This is what I intend to do. My plans are below (building the stand this weekend). My tap water is not suitable for brewing, so I'll be using RO water and will need to use the pump to move it. Regardless, if...

While you could call glycol an alcohol (it's actually two attached to each other), I'm not sure about it's anti-microbial, biotic, whatever properties. You could just as easily use a Tbs or so of bleach in water to the same effect. The only advantage of glycol cooling is that you can drop...

That's a bit of a different issue. When someone says an exchanger is "too small" what they mean is that it is "too small for the flowrates I would like to have". You can cool your wort with the smallest of heat exchangers, but you would have to slow down the flowrate of your wort and coolant...

Yeah, I'm curiuos about it too. I plan to try and measure the temperature profile in the MLT. Maybe at 3 points. I also plan to measure the temperature upstream of the RIMS tube.

Well, you've got me convinced Coderage. I get what you're saying about the energy input into the system, my worry was that with 240V my cycle time would be so short that I would loose good control of the system. (Most controllers like >10% on) Switching to 120V would quadruple the amount of...

For now, my MLT is a big IGLOO cooler, so I'm not expecting much heat loss. I'm concerned that the cycle time is going to be extremely short if the element runs at full power (as in less than 10% on). I figured that the lower wattage will give me a little better control once I reach my target...

So I'm thinking of putting together the wiring for my RIMS system in the following way. One element will be my RIMS tube, the other my eKeggle. The purpose is: 1. To be able to operate the two elements independently 2. To have the PID also work as my "ON" indicator. i.e. if the PID is...

Water isn't going to be much of an improvement. The reason that ice works so well is that you are using the heat of fusion of the ice to pick up most of the heat (much like water evaporiting cools better than just water...or cools with less mass of water). The fundamental problem is that you...

Hey Mkory, I've brewed this many times before and after posting. I've always liked the way it comes out and haven't made any changes myself. It's still my favorite homebrew and beer in general; I like it more than any commercial beer or microbrew. The only beer I might like more is the...

See this thread: https://www.homebrewtalk.com/f51/glycol-through-therminator-plate-chiller-big-batches-156771/ If you don't want to pre-chill, you're going to need a big chunk of ice in that freezer.

You certainly don't have to insulate it. My point was that heat loss is the only thing that the larger "tube size" affects. Good luck!

You can: 1. Use it as a fermenter 2. Use it as a mashtun 3. Use it as an electric keggle 4. Use it as a stool I wouldn't worry about the rubber "insulating" it if you want to use it as a fermenter. Insulation only slows the rate of heat transfer, it doesn't stop it. If you have a...

It depends on your metallurgy. Don't forget you'll need a pump. SS tubing will run you around $75. Element another $10-25 depending. Controller and thermocouple, another $50 or so. Pump will be about $125. Then there's the electrical (breakers, wire, box, and so forth). So I'd guess...