CWE doesn't work for Fioricet?

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❝ ❞ note that butalbital also has low water solubility (about 0.17 g per 100 mL at room temperature, even less in cold water), so such a method wouldn't effectively separate the two. –Grok

 

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I just did this with 9 Fiorinal capsules. The effect was faint. I then consumed all the stuff that was filtered out and now I feel a substantial effect. I think CWE does work to increase the proportion of butalbital to caffeine, but only very wastefully.