You might check with them, it depends on how much water you need to mash/sparge. It looks like the kit has about 3 pounds of grain so that would be about 1.5 X 3 quarts = 1.5 gallons for mash, then about 1.5 gallons sparge....so around 3 gallons of wort from mashing/sparging. So it really depends on your equipment and whether it can handle 3 gallons plus or minus...and that is without any of the extract added.
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