so far so good
everything has been working
the only bad thing i have found is it takes the 6.86 calibration solution instead of 7.01 and the local hydro store only has 7.01
so i got some ordered and should have in the middle of the week

but i have the 4.01 and the storage solution already
texas grass Reviewed by texas grass on . what do yall think of this ph meter PH Meter Stick Wand Waterproof Hydroponics - (eBay item 330169884810 end time Oct-04-07 20:35:31 PDT) it seems like a good one to me and a fair price too Rating: 5