for trade TDS meter for a PH meter

adidas · #1 10-09-2009, 11:24 PM

have a Hannah instruments TDS meter will trade for a good PH pen. its this one:

http://www.hannainst.com/USA/prods2....ode=HI%2098311

really just want a ph pen, but would sell for $80

Kryptic4L · #2 10-09-2009, 11:43 PM

I had a ph pen for a bit, it ended up in the garbage. only had 1 point calibration.

jalemboo · #3 10-10-2009, 12:22 AM

can i buy it off u

adidas · #4 10-10-2009, 04:47 AM

Quote:

Originally Posted by jalemboo

can i buy it off u

buy me a ph one and i'll trade?