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Old 11-06-2010, 06:34 PM   #51
Cape Brewing
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I wouldn't say "never" at all... yeah, I totally agree that with today's modified malts, steps aren't the necessity they used to be but I always step my mashes that contain any significant amount of wheat. I have been doing beta glucan rests at about 100 just to keep the mash fluid and then, since I'm already down that path, I'll do a protein rest as well.

I don't do a ton of them but I wouldn't say "never" at all.


And pnh2atl... I'm not sure I understnad your question 100%.... are you asking if RIMS and HERMS systems, by their nature, are "better": for large batches?

No expert at all but I would think they would have the advantage of eliminating the stratification of temp in the mash... and the larger the mash volume, the more stratification I would think you would get.... so... my theory would be that these two systems would be better suited for larger batches.
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Old 11-10-2010, 05:08 PM   #52
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I was wondering if at some point a batch gets to big for either. Or is one is better for large batches 2bbl plus lets say.

 
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Old 12-14-2010, 12:56 AM   #53
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I just did a complete overhaul/rebuild of my operation:

http://www.homebrewtalk.com/f11/its-...morrow-198694/

I decided to go HERMS soley because of the scorch wort risk and my inability to do anything with electrical other than lighting myself up (mans gotta know his limits)...so building a PID was out of the question.

ALthough I do like the RIMS approach as well...
Well, leave it to me to change my mind...I am going to go with a RIMS for a while...will see how it goes. I didn't really like how my HERMS turned out, but now I am going to be able to do both here soon.

New control panel and doing PID/Temp control the way it should be done.
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Old 12-17-2010, 08:54 PM   #54
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With my tendency to burn things, I have been using HERMS to some degree. I have a two pot system and have been using the BK as an HLT. Of course, this presents some problems, like where to poor the liquid off to. As a result, I've been using my mixing bucket as a storage vessel, but I really do not like filling a plastic bucket with hot water. Oh yes, and I am all electric.

I have been working on improving that setup for the last few months, including changing all my fittings out to tri-clamps and adding a third bucket to the batch. However, for some reason, my mind just can't let go of using my BK as an HLT and just using my HLT as a storage vessel. Although, I think I have been convincing myself not to do that with my rebuild.

I bring all of this up to throw the combined CFC HERMS + RIMS into the mix of options here. What I am looking at doing is as follows:

* CFC between HLT and MT, two pumps, circulate both past each other.
* Depending on the rate at which the system can step up, I may add a RIMS after the CFC going back to the MT, so the RIMS is doing minimal work to increase the wort temp that last few degrees. Alternatively, I could put it before, but it seems like I would have to guess at what temp rise I could get out of the CFC and then have the RIMS raise to just before that, so after just seems simpler because I can test the temperature between the CFC and RIMS and after the RIMS and have the RIMS heat accordingly.
* All else fails, use the BK to bring an extra gallon or two up and toss it in to raise the mash temperature faster, but I doubt that would be necessary.

I know, overkill, at that point I probably should have gone to steam, but steam and pressure scare me.

So, other than the overkill and cost, I am sure someone can tell me why this is a dumb idea.

Keep in mind, I am still thinking about it, my first step here is to update my pots and go to a full three vessel setup with CFC HERMS. Then to add the RIMS as necessary.

 
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Old 11-08-2012, 12:58 AM   #55
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Interesting posts and thank you to all that have. I am in the process of having to choose RIMS or HERMS. Building an electric system is something I think I am going to do.

Thanks for all of the information.

 
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Old 06-14-2016, 07:30 PM   #56
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Ive been using rims for years, only recently I changed my rig design and began scorching grain over and over from the poor pid settings and constant stuck sparge and pump cavitation, Ive always liked it using the rims in a simple brew in a bag set up but a big 25 gallon 3 pot system is not working for me, im tired of constantly having to watch it and baby it so

rims pros: its easy to brew anything for a small set up and a low wattage element, easy to set up and easy to clean with Bobby's try clover set up

rims cons: you have to keep it clean, the element will sour easy setting for a week, you have to have a good handle on your pid range which is hard to do and it will scorch if you have a stuck sparge or the pump losses prime which makes you stand in front of it almost the whole mash
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Old 07-19-2016, 02:27 PM   #57
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What's the thickest mash you'd go with either system? Currently looking into both...
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Old 07-19-2016, 02:58 PM   #58
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with any recirculation system its the same, and to each brewer it may be different, I generally go by 1.5 to 1.6 qt/lb, but this year I don't even measure the water I let the grain settle and soak up then go by 1.5 inches of water over the grain after recirculating through the hoses and rims coil, that allows it to raise or lower some without going below the grain level when recirculating
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Old 07-24-2016, 09:36 PM   #59
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I mash in what used to be my boil kettle to which I added a false bottom and recirculation/sparge arm (Bobby's Locline model). I currently use direct fire to heat strike water in it and to manually maintain mash temps, which is quite a PITA as you may imagine. I have a Hop Rocket that I bought a RIMS conversion for and am looking at sourcing a PID controller. I plan on using RIMS primarily to maintain mash rest temps and using direct fire to raise mash temps (I don't usually step mash, per se, but I do take it up to 168 for mash out). Not that it's the end-all-be-all of brew systems, but that's how the Sabco Brew Magic operates, from what I've seen.

I'm presuming that, since the RIMS won't be used for the purpose of raising the entire mash temp, only maintaining rest temp, I shouldn't be in any danger of scorching in the tube. Of course, recirculation flow could potentially slow or stop, but I think the controller I'm looking at has contingencies built in for that. Besides, I haven't had any issues with recirculation flow since making everything in the recirculation path high flow (thanks again to Bobby). Having said that, I'm sure to have complete blockage on my next brew.

Cheers!

 
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