Hanna DiST 6 EC/TDS/Temperature Tester (0.00 to 20.00 mS/cm, 0.00 to 10.00 ppt) - HI98312 salt-free dishwasher system Fully waterproof design protects the 2025 Hydroponic pH Installation Tip Replace cartridges
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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25