I got this at the meeting to night, But I was reading the instructions and it asks you to sue RO/DI water and I only use RO. So it might not give me a correct reading.
Some mushrooms or anything that will grow under PC Lights or other test kits.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
