Hanna Instruments
Ammonia Low Range Colorimeter - Checker®HC (0.00 to 3.00ppm)
Ideal for fresh water aquariumsThe HI-700 Ammonia Low Range Checker is a simple, accurate and cost e..
60.27€
Copper Low Range Handheld Colorimeter, Checker®HC
The HI-747 Copper low range Checker is a simple, accurate and cost effective way to measure low rang..
66.42€
High Range Iron Handheld Colorimeter - Checker®HC
About 6.3% of the earth crust is made of iron with 43% of this amount held in the soil. As a result,..
60.27€
Iodine Handheld Colorimeter - Checker®HC
Iodine Handheld Colorimeter - Checker®HCQuicker and easier to use than chemical test kits, the new H..
60.27€
Marine Calcium Handheld Colorimeter - Checker®HC
Designed to measure calcium in reef tanks, the Hanna Calcium Checker is perfect for corals and marin..
60.27€
Nitrite (Marine ULR) Handheld Colorimeter - Checker®HC
Nitrites are an intermediate form of nitrogen produced when ammonia is converted into nitrate during..
60.27€
Phosphate Low Range Handheld Colorimeter - Checker®HC
Ideal for coral reef tanks and fresh, cold and salt water aquariumsPhosphate directly inhibits calci..
60.27€
Phosphorus Marine Ultra-Low Range Colorimeter - Checker®HC
Phosphorus Marine Ultra-Low Range Colorimeter - Checker®HCSpecially designed for salt water, the HI-..
60.27€
Pocket ORP Tester with Range up to ±999 mV
Oxidation is a process by which a molecule or ion loses electrons. This occurs most readily in water..
129.99€
Pocket pHep pH Testers
HI-98107 pHep pH TestersWith a renewable cloth junction, the pHep® has an extended life over typical..
57.81€
Pocket TDS Tester (0 to 2000mg/L)
The HI-98301 is a rugged and reliable pocket-sized tester that offers quick and accurate readings of..
68.88€
Reagents for HI-713 Phosphate Pocket Checker x 100 tests
This 100 pack of pre-measured, high-quality reagents is for use with the HI-713 Phosphate Low R..
35.67€
Reagents for HI-713 Phosphate Pocket Checker x 25 tests
This 25 pack of pre-measured, high-quality reagents is for use with the HI-713 Phosphate Low Range C..
8.61€
Reagents for HI-721 Iron Pocket Checker x 25 tests
The HI-721-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast an..
8.61€
Refractometer for Seawater Measurements
The HI-96822 digital refractometer is a rugged, portable, water resistant device that utilises the m..
206.64€
Seawater/Marine Alkalinity (dKH) Colorimeter - Checker®HC
Alkalinity helps to maintain a stable pH, a vital factor for most aquatic life. Corals also need an ..
60.27€