Edmond Cormier wrote:

After loosing my money on cheap pH meters, I,ve been using pH paper for ten
years: I use the German Macherey-Nagel pH-Fix 0-14. I indicates with four
simultaneous colors.


I think that is what I use too... I'm not sure where I got it
though. Someday I'll need more.

Rob

--
Rob's Rules: http://www.msu.edu/~halgren
1) There is always room for one more orchid
2) There is always room for two more orchids
2a. See rule 1
3) When one has insufficient credit to purchase
more orchids, obtain more credit