Check the listing for details. Hanna Salinity Tester Holder. Condition: New. Listed at 9.99 USD. Never lose track of your valuable Hanna Salinity Tester again! Introducing our mount for organizing and securing your Hanna tester after every use. Say goodbye to the hassle of searching for misplaced tester with our convenient mounting option. Designed specifically for the Hanna Salinity Tester, our practical holder offers a dedicated spot for your device. Easily attach it to either the inside or outside of your aquarium stand using just a single screw. This versatile mounting system ensures your tester is always within reach, providing a tidy and efficient solution for your testing needs. Works with the following Hanna models: Marine Salinity Tester (HI98319) pHep Pocket pH Tester (HI98107) pHep+ Pocket pH Tester (HI98108) DiST1 Waterproof TDS Tester (HI98301) DiST2 Waterproof TDS Tester (HI98302) DiST3 Waterproof EC Tester (HI98303) DiST4 Waterproof EC Tester (HI98304) GroLine Waterproof EC/TDS (ppm) Tester (HI98318 GroLine Waterproof Hydroponic pH Tester (HI98118) Designed by UNREEF. Made In America. Material: Reef Safe Plastics Made to Order.