The HI713 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure phosphate. This low range phosphate colorimeter brings you more precise technology than read more ››
The HI736-25 are the replacement reagents for the HI736 Phosphorus Ultra Low Range Checker® HC. These high-quality reagents are manufactured in Hanna's state-of-the-art facility and are clearly read more ››
The Hanna HI774 Ultra Low Range Phosphate Checker® HC (Handheld Colorimeter) is a cost-effective way to measure phosphate from 0.00 to 0.90 ppm, in marine systems, including reef tanks. Designed as read more ››
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