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BRAND: Hanna Instruments (60)
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pHep5 Waterproof pH tester$139.99
Dual Level Display Showing pH & Temp. Rugged, Floating Waterproof Casing Replaceable pH Electrode Featuring an Extendable Junction The waterproof ...
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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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Glass cuvets- pocket meters (4 pcs)$29.99
The HI731321 are the replacement glass cuvettes used with the HI7XX Checker HC colorimeters and the HI832XX benchtop photometers. Each...
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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...
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Electrode Storage Solution 230mL$24.99
To minimize clogging and ensure fast response time, always keep the glass bulb and the junction of your pH electrode...