When we mix crushed glass with resin, it turns transparent and i want it to be snow white thats why i mixed lil bit of salt.. u can skip it and use more mica powder ..and i ll suggest ,in rainy season its better to skip the salt in resin
Yes its important ,bcs if u don't prime ur mdf board then it will suck ur acrylic paint ..and if u will not paint the mdf board and directly put ur resin then the wooden base will expose & it won't look good