Up for sale is a Hanna HI 98129 PH Tester. It has been tested and works. The lettering has started to fade, but otherwise it is in great condition.Please look at all of the photos above and message me any questions you have. Please look at all of my other listings, Thank You. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics\Hydroponic Systems, Parts & Accessories\Water Aeration Equipment". The seller is "trasch55" and is located in this country: US. This item can be shipped to United States.