Hi, i make this every 2 week ,just use alcohol ,i usted denatured alcohol 95 % or higer you need use hot water bath for dissolve the powder If you put exsses material One Time the alcohol Is cooling you have problema because Is start i crystalized because Is pass the point of saturation the measure Is 40 grams for 100 ml of volumen ,the alcohol for 100ml Is 70 ml +- the color in the Solution Is Amber But the material recover the withe color when Is dry .you only need evaporate the alcohol . The losses Is minimal and you maintain the potency .only loss the visual ,no More fish scale But for recover the visual Is several options ,