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Nitrite Ultra Low Range Colorimeter HI764 Hanna Checker - Marine Water
The Hanna HI764 Checker HC is a handheld digital colorimeter for ultra-low-range nitrite testing in marine water, reading 0 to 200 ppb with 1 ppb resolution. It bridges the gap between chemical test kits and professional instrumentation for accurate, affordable nitrite monitoring.
Price: $74.99 USD
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