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DIGITAL TEST KITS (58)
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Reagents for LR Phosphate (100 tests)$44.99
The HI93713-01 are reagents for the colorimetric determination of phosphate. There are enough reagents for 100 tests to be used...
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Hanna Checker Nitrite 764-25 ULR reagents (25)$17.99
OUT OF STOCK
The HI764-25 are high quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their...
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Hanna Checker Nitrite Ultra Low Range$67.99
Stop struggling to get accurate results for your saltwater aquarium with our simple handheld colorimeter. Our nitrite colorimeter fills the...
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Hanna Pocket Photometer Marine Alkalinity (PPM)$67.99
The only salt water Alkalinity Tester at this price! Easier to use and more accurate than chemical test kits Colorimetric...
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Hanna Pocket Photometer Phosphate Checker HI713$67.99
Easier to use and more accurate than chemical test kits Adaptation of Standard Method 4500-P E Accuracy 4% 0.04 ppm...