When you are extracting from Mimosa rootbark, then pH 10 is no good; when the pH in the aqueous Mimosa extract is from the ninety five.-twelve.5 range, it turns a thick gritty grey shade. If you try to extract from it, you're apt to obtain an dreadful emulsion. As soon as the pH is lifted to about 13, the colour changes yet again to your slippery b