Brightener in Free & Clear ...
I'm just attempting an analysis of JoshMC's work at http://publiclaboratory.org/notes/joshmc/4-28-2012/setup-uv-testing-specrtrometer#comment-1175 -- compared to a tap water sample, the laundry det...
I'm just attempting an analysis of JoshMC's work at http://publiclaboratory.org/notes/joshmc/4-28-2012/setup-uv-testing-specrtrometer#comment-1175 -- compared to a tap water sample, the laundry det...