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Phosphorus Ultra Low Range Colorimeter HI736 Hanna Checker - Marine Water
The Hanna HI736 Checker HC is a handheld digital colorimeter for ultra-low-range phosphorus testing in saltwater, reading 0 to 200 ppb with 1 ppb resolution. It bridges the gap between chemical test kits and professional instruments, delivering accurate, affordable phosphorus monitoring.
Price: $74.99 USD
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