Making DaaB's False Bottom Mash Tun
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The elbow is inserted into the connector (no need to solder) and the vertical leg of the elbow is cut to length so that its shy of the end of the dogs. This means if the plate is crushed, the wort can still flow into the pipe with the dogs holding it away from the bottom of the bucket.
Reinforced food grade tubing is attached to the elbow and secured with a stainless steel jubilee clip then forced into the back of the tap. 1/2" tubing is a slack fit so it needs to be expanded first. This can be done by boiling the end of the tube in water and inserting some 15mm copper tubing. It's then cooled using cold water and the copper tubing removed. This should then be a snug if in a WD lever tap. Other tubing may need to be found if a different tap is used.
The finished article, (almost) ready for use. Tests have shown that the mash tun will drain down leaving as little as 1/2 a pint of liquid.
Now the mash tun needs to be insulated using an old sleeping bag or by throwing old blankets over the top, its low tech but very effective. They can be secured using bungee straps if required. Don't for get to insulate the underside to prevent the work surface conducting the heat away. This can be done by sitting it on a newspaper or better still a towel that will soak up any spillages.
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How to Homebrew How to Make Up a Beer Kit My Brupaks Kit Instructions Making DaaBs False (mash tun) Bottom
Jims Beer Kit (All Grain Brewing) Brewing Equipment (coming soon)