i was looken through ebay for a new ph pen and found this
NutraDip TriMeter - eBay (item 280241573727 end time Jul-05-08 13:25:59 PDT)
pretty cheap but all i need is a ph pen, thought id share with youguys.
NutraDip TriMeter - eBay (item 280241573727 end time Jul-05-08 13:25:59 PDT)
pretty cheap but all i need is a ph pen, thought id share with youguys.