Friday, June 24, 2022
HomeHomebrewPalms on Evaluation: Monster Mill MM-3 Grain Mill!

Palms on Evaluation: Monster Mill MM-3 Grain Mill!


This assessment is by Homebrew Finds Contributor Brad Probert.  Brad is an engineer, knowledgeable homebrewer and skilled reviewer.  Seize a hyperlink to Brad’s web site on the finish of this assessment.


Restricted Time Deal, Evaluation Continues Under:

Monster Mill Sale:  Monster Brewing {Hardware} is discounting choose 2 on 3 curler mills

I reported this sale some time again. As of this posting, costs have dropped much more. The two curler professional mill is $219, save $90, the three curler full package is simply $199 and the three curler professional mill is $319, save $120.

Monster Mill Sale!


Monster Mill MM-3

I began milling my very own grains not too lengthy after I switched to all-grain. At first I assumed the thought was laughable to mill my very own grains- why purchase one thing and do the work myself, once I might get it achieved without spending a dime on the homebrew store? However as soon as my course of had stabilized a good quantity, I grew to become pissed off by my incapability to hit the recipe’s deliberate OG. On my batches the place my gravity was decrease than predicted, I discovered a notable variety of absolutely intact grains within the spent grains from my mash. Aiming for consistency, I needed to verify all my grains have been all the time crushed, so I purchased a 2-roller grain mill. That labored nicely, but when I needed to optimize mash effectivity, I used to be all the time dancing on the sting of a caught mash.

The three-roller mill from Monster Brewing {Hardware} passes via a primary pair of rollers which have a set hole. That’s machined to be 0.060”, with the intention of doing a minimal crush to melt the within of the grain with out actually breaking the husk. After the primary pair of rollers, it passes via the hole which you could modify to your liking. The directions supplied with the mill suggest 0.045” for a medium crush, 0.055” for a rough crush, and 0.038” for a superb crush. However in fact the fantastic thing about having your personal mill is you’ll be able to modify it as you need, based mostly on what works finest for you.

The MM-3 3-roller mill comes with some choices. The bottom rollers are 1144 metal alloy that’s sturdy for lengthy life, however can get some floor rust if utilized in a non-climate-controlled space, or should you moist mill your grain. For these homebrewers, they provide a stainless-steel curler possibility, which they are saying has the identical sturdiness because the metal alloy base rollers. If you’re a manic homebrewer, they provide a third possibility with their MM-3 Professional sequence, which has warmth handled rollers. These apparently have about 10x the life sturdiness, however the price ticket roughly doubles over the bottom MM-3.

The opposite possibility to select from is the drive shaft dimension. Normal is a 1/2″ drive, however 3/8” is obtainable as a smaller possibility. The three/8” actually isn’t really helpful since 3/8” drive drills sometimes don’t have the torque to drive this mill. It can be exhausting to discover a cordless drill with sufficient torque to drive it, so Monster Mill recommends a corded drill. In case you order the grain hopper from Monster Mill, it comes customary in galvanized 20-gauge metal, or non-compulsory chrome steel. Galvanized metal is corrosion resistant, so the one actual benefit of stainless in your grain hopper is the “bling impact”.


Examine Costs & Monster Mill Choices, Evaluation Continues Under


When purchasing for a mill, it’s vital to acknowledge that even when a product seems the identical/related in an image, there’s extra to it than the picture. For instance, there’s a related 3-roller mill out there at a cheaper price. Nevertheless, what you’ll be able to’t inform from the image is that the rollers are product of a less expensive metal that doesn’t put on as nicely, and makes use of non-sealed bearings that are liable to grain mud inflicting put on issues. Fred Francis, the proprietor of Monster Mill makes some extent of sourcing all of his uncooked supplies from the U.S., and assembling the mills in Georgia. Moderately than chase the bottom worth level out there all the way down to the underside, he focuses on his American provide base and preserving prime quality design/supplies to make sure a strong product that stands up nicely with word-of-mouth suggestions

Palms on Trial

Full Contents of Mill and Equipment Equipment

The very first thing I seen was how meticulously the packaging was designed. Seeing the straightforward flat field on my doorstep, I nearly contacted Monster Mill to inform them they forgot to ship my grain hopper and base. Fortunately I opened the field first, to keep away from my embarrassment. Elements have been nested in particular spots, nicely supported for defense in transport and making essentially the most use of the house obtainable. The smaller field dimension makes transport cheaper, nevertheless it additionally means you don’t should cope with transport one thing again as a result of it arrived bent or scratched. I assessment numerous gear, and the care taken in designing packaging is normally a superb indicator of the standard of the design of the product.

Whereas unpacking the mill, I seen the rollers had numerous residual machining oil on them. I sometimes learn directions, however on this event, I dug in and gave them a superb cleansing to do away with the oil. After I noticed the rust forming inside a seemingly superb brief period of time, I learn the manual- “Earlier than utilizing your mill the primary time, run a pound or so of malt via it a couple of instances to wash the rollers. After milling, brush the grain mud off the rollers with a dry brush or use compressed air. Don’t use water.” Fortunately, with use of a nylon bristle brush, and the suggestion of working grain via it, the rust was now not seen. Be taught from my mistake.

Heavy Gauge Metal with Rounded EdgesAssembled Grain Hopper

The hopper was easy to assemble with the little machine screws, washers, and nylon-insert lock nuts. And one other good notice of consideration to element, the galvanized metal hopper partitions had no sharp edges. A mixture of the sturdy gauge, and good machining practices left me with unscathed arms on the finish of meeting.

Curler Hole Adjustment Knob and Enter Drive ShaftAxle Shafts Strong Extensions of RollersMill Physique with out Hopper

Adjustment of the curler hole was difficult. With the mill mounted to the bottom, I couldn’t get a straight shot in between the adjustable curler and the drive curler. I made use of feeler gauges that had a 45-degree angle bent into them and this labored pretty nicely. To be actually correct, I might’ve wanted to unbolt the mill from the bottom, however that appeared like an excessive amount of work. I additionally examined out their advice on drills. I attempted my cordless drill [DeWalt Model DCD771 20V] and wasn’t in a position to make it even transfer, so I went with my corded drill [DeWalt Model DW236] to energy via it.

For this analysis, I arrange a small mash experiment. I had beforehand run a mash conversion effectivity trial on my 2-roller mill, to find out the hole to make use of with that mill. There are in fact 1,000,000 variables contributing to mash effectivity. I attempted to attenuate these results by mashing with grain from the identical batch, identical water adjustment salts/acid, identical mash profile, and identical mash tun. From that experiment, it confirmed a 7% enchancment in mash effectivity with grain milled at 0.026” versus 0.034”. In order that’s been my customary set-up since then. The draw back from this was semi-frequent caught mashes and the necessity to complement my grain invoice with rice hulls to attempt to counteract this impact.

9 Kilos of Grain in Hopper

For the Monster Mill MM-3, I used grain from a single 55-lb bag of malt (Viking Xtra Pale malt from MoreBeer). Mashed it in a Chapman Thermobarrel – Palms on Evaluation – whereas working recirculation via my Blichmann RIMS Rocket – Palms on Evaluation. All of those trials used 9 lbs. of the malt, mixed with brewing salts and acid to achieve a mash pH measured of 5.3. I mashed for an hour at 149F, then raised temperature to 168F for a ten minute mash out. I collected all the primary runnings in my kettle, then added all the sparge water to the mash tun, stirred issues up, recirculated for 10 minutes, then drained all of that into the boil kettle as nicely.

Mash Conversion Experiment Set-up

Trial 1 Baseline

The primary batch I did was to determine my baseline with this new mash tun and new grain, utilizing my 2-roller mill set to 0.026” hole. With this configuration, I achieved a mash effectivity of 80%. And unsurprisingly, I bought a caught mash at one level whereas recirculating which I needed to break away from the false backside and decelerate the recirculation pump circulate charge.

Baseline: 026-inch 2-Curler Mill Shut-upBaseline: 026-inch 2-Curler Mill

Trial 2

For the second batch, I used the MM-3 set to 0.035” hole. Qualitatively, I might see when evaluating the crushed grains, that the MM-3 had a lot better grain husk construction to assist filtering within the mash mattress. The two-roller with the finer crush had numerous grains pulverized to a flour-like consistency. With the MM-3 at 0.035” hole, I achieved a mash effectivity of 78%. With solely a 2% distinction to the primary run with the 2-roller mill, this might very nicely have simply been measurement variation.

035-inch 3-Curler Mill Shut-up035-inch 3-Curler Mill

Trial 3

For the third batch, I adjusted the MM-3 down barely to a 0.033” hole. I additionally ran some grain via my 2-roller mill with this identical 0.033” hole to do a qualitative/visible comparability. The two-roller mill had a small quantity of entire kernels that hadn’t been cracked at this hole setting, whereas the 3-roller MM-3 had cracked each kernel. Some have been extra intact than others, however all had been cracked, with the endosperm uncovered to soaking in mash water to extract its sugars. This 0.033” hole on the MM-3 resulted in an 80% mash effectivity.

033-inch 2-Curler Shut-up033-inch 3-Curler Shut-up033-inch 2-Curler Mill033-inch 3-Curler Mill

Conclusions

In conclusion, the MM-3 was in a position to obtain the identical mash effectivity as my 2-roller mill, however achieve this at a spot setting that didn’t depart me liable to caught mashes. And whereas brewing electrical with a RIMS system, you wish to benefit from the management and go about doing different issues throughout mashing with out having to babysit to keep away from scorched wort or dry working your pump. In order that’s a big end result for my electrical brewing setup. The standard of the mill is nice, and appears heavy responsibility. Positively looks as if it has a protracted life forward of it.

Get the Gear

Talked about in This Evaluation: 

Get a Deal on Bulk Grain

deals on sacks of malt

A Deal on All Grain Kits

Adventures in Homebrewing and Austin Homebrew Provide usually low cost seasonal homebrew beer recipe kits by 20%.  Alternatives embody each all grain and extract choices.

Grain Storage Choices!

Milling Your Personal Grain

For all grain brewers, bulk grain storage goes hand in hand with milling your personal grain.  If we’re storing bulk portions of grain to save lots of money and time, we’re in all probability going to wish to mill that grain.

Milling your personal grain gives these benefits…

  • Provides you management over the crush of your grain.  That’s an enormous consider effectivity.  A mill means that you can superb tune in your gear and course of.
  • A mill means that you can get monetary savings by shopping for entire baggage of grain.
  • Freshly milled grain = higher tasting beer.

Extra Photographs

Shut up of Mill RollersNicely Packed FieldAbsolutely Assembled Mill with Hopper and Base PlateSetting Curler Hole with Angled Feeler Gauge

Extra Mill Opinions!

Every part All Grain!

Our useful resource publish on all grain is the supply for all the pieces all grain!

Extra Homebrew Finds!

Particular Due to Monster Brewing {Hardware} for offering the unit used for analysis on this assessment.

By Brad Probert.  Try Brad’s web site – beersnobby.com

Ensure that the elements you employ are suitable and rated in your supposed software.  Contact producer with questions on suitability or a selected software.  At all times learn and comply with producer instructions. assessment:mm tag:tpr rs:5

RELATED ARTICLES

LEAVE A REPLY

Please enter your comment!
Please enter your name here

- Advertisment -
Google search engine

Most Popular

Recent Comments