A
angelofdeath132
Guest
how does everyone clean out their test tubes(vials) for their water tests? mine are getting "cloudy" (for lack of a better word)
from testing all the time, and i'm afraid this is not gonna give me a correct reading. can i boil them in water for a few minutes?
from testing all the time, and i'm afraid this is not gonna give me a correct reading. can i boil them in water for a few minutes?