Nurofen + CWE Problems

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I know, this is probably a ridiculous question but I have no fear of ridicule!

SWIM recently told me that a CWE of Nurofen + left a cloudy solution. SWIM is a long standing extractor of numerous substances but was puzzled by this result. SWIM is speculating that there may be corn starch or some other substance present to deter intreped home bakers and other assorted extractor types.

SWIM is a known daredevil and hence drank the cloudy substance anyway which was probably foolish as he had used 24 of the little buggers in the mix. SWIM reported that there was no recognisable ibuprofen effects. His stomach was fine, his high was mellow and his next day typical.

Does anybody wish to speculate on what the cloudiness may be?