Item never used The Digital TDS EC Meter Tester Paper Aquarium Pool Hydroponic Water Test Pen Stick is a convenient and easy-to-use tool for testing the water quality in your hydroponic system. The stick form makes it simple to take readings in various bodies of water, whether you're testing the water in your aquarium, pool, or garden. Made from organic materials, this tester is suitable for all-purpose use and provides accurate readings to help you maintain optimal water conditions for your plants. With its digital display and compact design, this water test pen is a must-have for any hydroponics enthusiast looking to ensure the health of their system. Item is stored in box #2
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