Hot answers tagged all-grain
I would say 1.5" is plenty high. I have a 7.5 gal kettle that came with a spigot positioned about 2.5" above the bottom and I almost always found that I had to tip the kettle to get all the wort out. Depending on your chilling method, if you can manage to allow the trub to settle out while chilling, or don't 'mind waiting 30 minutes or so after your done ...
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