Email us about the sight glass option - we would be more than happy to add it if you so desire, but we don't recommend using sightglasses on Mash Tun's because of their ineffectiveness (they get clogged with grain)

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The key to successful all grain brewing is maintaining mash temperature during saccharification (achieved by our unique insulating material), and to keep the grain afloat in the mash tun when transferring runoffs to the boil kettle. The key means of "floating the mash" is to add water via our Super Sparge arm. The idea is to sprinkle the grain bed, eliminating channeling of hot water, allowing the fresh water to flow from the top of the mash to the bottom only after the wort originally in the mash tun has been transferred to the boil kettle (i.e. first in, first out).

Improper sparging techniques (such as adding water using a hose), or stirring the mash during the mash-out process, will leave brewers with a watery mash and low gravity. We include complete instructions with every Ultimate Mash Tun on the starch conversion process doing single step infusion (The method 95% of the world's Breweries Use!)

Do not get fooled into doing multiple temperature rests - it is not needed do to today's malting technology. Today's grain is well modified so that enzymes are present to EASILY perform the starch conversion process by single infusion mash (mixing the grain with hot water and holding it at a temperature within the starch conversion range for 1 hour (140F - 162F, which maximum starch conversion at 149F - most fermentable wort) We prefer 158F for a fuller bodied, more well rounded beer.

The BREWTREE sparge arm's unique design prevents channeling, producing a perfect mash out every time guaranteed.

Professionally manufactured from the highest quality materials, this unit will provide years of service if properly cared for.