eztoch ph chlorine tester, 8 in 1 ph&salt meter for saltwater pool, hydrogen water tester, digital ph h2 salinity orp chlorine ec tds temp meter for hydrogen water bottle, hydroponic, aquarium blue is up for auction in Patio, Lawn & Garden. The current bid is $2.00, 96% below the $45.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.