I use cheap white rice with 30% 2-row and it works well. I put the milled 2-row on a false bottom, boil the rice for a minute, cool it to 155degF and pour it on top of the malt. With no false bottom, you could just mix them, ferment on the grain and rack it off after it settles. Added sugar works fine, but you need the malt or enzymes to convert the rice.
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