I would want to ask about measuring SN. I have only been able to obtain large amount of SN and I cant figure out if its ok to use metal spoon , I know some product was mentioned not to get in contact with metal, maybe it was SA. (sorry. my memory is badly affected from forced medication early this year, my cognitive abiilities as well). ARe there any particular scales which are preferable? I was told, digital are the bes, esp if I haev such a massive amount of it.. How to make sure to clean the items enough afterwards so that not a piece of SN is left on it ?And finally, when I put the measured amount into the cup with water, i should mix it and then within very short time drink it? Or it doesnt matter if I drink it hour later or so ? Thank you for any help