Welcome to our forum @Tom154 . If you like your wit mordant and your advice from the experts, you will be at home here with us lot. Enjoy!Hi all, just starting my third month as a Chemistry Technician after working in a completely different field for the past 22 years. Was a Science Tech from 1985 to 1997 so my life has come full circle lol! Guess I'll be asking a lot of questions!