mescalin in fluid form - how old

[Silence_Inc]

hi

a friend of mine bought san pedro in a bottle at a market in peru en brought it to his homecountry. he used it soem times a few months after and never had any problem. now he kept this fluid san pedro in his fridge for a year. is it still drinkalbe when first boiled down? or does he had to throw away some stuff first?

tnx