need to look for good ph pen-style ph meter

[nycsicktank]

i came across this two.
http://cgi.ebay.com/NEW-SUPER-Accurate-Portable-pH-Meter_W0QQitemZ320235117839QQihZ011QQcategoryZ20756QQssPageNameZWDVWQQrdZ1QQcmdZViewItem


http://www.desertcoralaquatics.com/testing-equipment/portable-ph-meter-pen-style/prod_563.html

 

[OctaviousMonk]

I have this one (http://www.kerncoinstr.com/12a36.htm) I am going to post up for sale soon if interested. Works very well. Other then that I have only used the pinpoint monitor which I love.