Hanna Testing

REFILL KIT FOR HI772   Get accurate results for your saltwater aquarium with our simple handheld colorimeter.   Our alkalinity c...

Refill Kit for Hanna Instruments Checker Marine Alkalinity Colorimeter

Hanna Instrument Phosphorus Ultra Low Range Reagents - HI736 (25 units)

Refill Kit for Hanna Instruments PO4 Checker - pack of 25

SINGLE Hanna 35 ppt Salinity Calibration Solution Sachet HI70024P is a premium quality 35.00 ppt salinity calibration solution that is NI...

Get accurate results for your saltwater aquarium with our simple handheld colorimeter.   Our alkalinity colorimeter bridges th...

HI782-25 Marine Nitrate High Range Reagents are for use with the HI782 Marine Nitrate High Range Checker HC. They are manufactured in our state...

Refill Kit for Hanna Instruments Calcium Checker

Designed to bring simplicity to salinity testing during the any process, the HI98319 Marine Salinity Tester measures conductivity (EC) to deter...

Hanna Instruments Checker Phosphate Colorimeter Easier to use and more accurate than chemical test kits Adaptation of Standard Method 4500-P E Accu...

Easier to use and more accurate than chemical test kits Adaptation of Standard Method Ascorbic Acid Accuracy ±5% of reading ±5% ppb 1 ppb resoluti...

he HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwate...

Hanna Instruments Checker Marine Calcium Colorimeter Easier to use and more accurate than chemical test kits Colorimetric method Accuracy ±6% of r...

Hanna Instruments Checker Marine Alkalinity Colorimeter Hanna HI755 Marine Alkalinity Checker Specifications: ...

Hanna Instruments Low Range Marine NITRATE Checker HC - HI781   The Hanna Marine Low Range Nitrate Checker® bridges the gap b...

Hanna Instruments Copper REFILL KIT - HI702-25 - pack of 25

AutoAqua Smart Stir A magnetic stirrer for mixing water test reagents efficiently and effortlessly. LABOR AND TIME SAVING Wat...

The Hanna Checker® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate...

REAGENTS: HI 764 Reagent kit for 25 Nitrite tests Range: 0 to 200 ppb

Hanna Instruments Low Range Marine NITRATE Checker HC REFILL HI-781-25   1x PC x100 mL HI781A-0 25x PCS x 0.16g HI781B-0 ...

Easier to use and more accurate than chemical test kits Adaptation of EPA Diazotization method Accuracy ±4% of reading ±10 ppb 1 p...

25x refill for Phosphate Ultra Low Range Reagents - HI774

Magnesium is the third most abundant ion in seawater, surpassed only by sodium and chloride. Its abundance is critical in the formation of weak ion...

The HI774 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure phosphate in marine systems including co...