Testing Equipment

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

Refill Kit for Hanna Instruments PO4 Checker - pack of 25

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

Refill Kit for Hanna Instruments Checker Marine Alkalinity Colorimeter

Salifert Calcium Test Kit Our calcium test is capable in resolving the calcium content in 10 mg/L steps. The color change is sharp and facilitates ...

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...

Salifert Magnesium Test Kit The Salifert magnesium test is very straightforward and does not suffer from calcium and strontium interferences when w...

Salifert Alkalinity Test Kit The Salifert KH/Alk test is very straightforward. It measures in sufficient small steps of 0.1 meq/L or 0.3 dKH with a...

Salifert Nitrate Test Kit Many nitrate test kits are prone to amine interference. This can give results much lower than actual. The Salifert nitrat...

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...

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...

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

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

Salifert Phosphate Test Kit Since phosphate can have major consequences when present in a concentration above 0.05 mg/L a test kit should...

Salifert Ammonia Test Kit The Salifert Ammonia test is very straightforward and measures the sum of toxic ammonia and a...

Red Sea Reef Foundation Pro Test Kit – All in one Calcium, Carbonates and Magnesium kit This program provides you with biologically balanced levels...

NEW BATCH ARRIVED! ALL REAGENTS SOLD AFTER May 25 2026 ARE FINE.  Voluntary Recall Notice We are issuing a voluntary recall for the Hanna HI 774-25...

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...

Salifert PH Test Kit The Salifert pH test kit is sufficiently accurate to monitor pH fluctuations of approx 0.2 pH units. Our KH + pH Buffer allows...