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Phosphate Low Range Colorimeter HI713 Hanna Checker - Fresh & Marine Water
The Hanna Instruments HI713 Phosphate Low Range Checker is a handheld digital colorimeter for measuring phosphate in freshwater and saltwater aquariums. It reads phosphate from 0.00 to 2.50 ppm with 0.01 ppm resolution, giving more precise, objective results than visual color-comparison test kits.
Price: $74.99 USD
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