sorry for English but I am translating with google! ù
I'm trying the formula of retro-basic lavalamp ... I read the text and saw that a good starting point to get the right density and use the wax 66% and 33% perchloroethylene ... I wanted to know in terms of weight to what is always about because I can weigh wax and perchloroethylene with a balance precisissima 0.01 g when I am not mistaken