The Marine Calcium Checker® HC Calibration Check Set - HI758-11 provides a simple solution to validating the Marine Calcium Checker® HC - HI758 that has a range of 200 to 600 ppm calcium. This high-quality set of standards is manufactured...

The HI736-25 are high-quality reagents that are pre-measured, allowing for users to achieve fast and accurate measurements with their Phosphorus Ultra Low Range Checker® HC. These reagents follow the Ascorbic Acid Method in which the reaction between phosphorus and reagents...

The HI782 Marine Nitrate High Range Colorimeter is specifically designed to quickly and accurately determine high levels of nitrate for saltwater aquariums and marine applications. With a digital read out, there is no more struggling to determine colors visually. •...

Used & Recommended by EasternMarine! Note: This is a special order product, and will need to be ordered in from an overseas supplier. It will take between 3-5 weeks to arrive into the country. Hanna Instruments HI98319 is a salinity...

The HI772-26 are the replacement reagents for the Marine Alkalinity (dKH) Checker® HC - HI772 and can be used with the Marine Alkalinity Checker® HC - HI755 . These high-quality reagents are manufactured in our state-of-the-art facility and are clearly...

The HI98108 pocket pH tester features a large multi-level LCD which displays both pH and temperature readings simultaneously. The pH readings are displayed with a 0.01 pH resolution and with an accuracy of ±0.10 pH. The pH range of the...

Cleaning is a fast and effective routine that should be performed on a regular basis as a preventative measure against using a dirty electrode and to ensure that the junction is not clogged. By simply immersing the electrode in the...

The HI702 Checker® HC (Handheld Colorimeter) is a simple, accurate, and cost effective way to measure high ranges of copper. Designed as a more accurate alternative to chemical test kits, the HI702 provides quick, accurate results in a few easy steps....

AQUAHOMETEST NO2 + NO3– HIGH RESOLUTION  NITRITE/NITRATE -TESTKIT FOR SALTWATER AQUARIUMS With the high-resolution Fauna Marin Nitrite/Nitrate Test the nitrite concentration can be determined with a particularly high accuracy in the low concentration range between 0 and 1 mg/l and a nitrate concentration...

AQUAHOMETEST K REFILL KIT POTASSIUM-TEST FOR SEAWATER-AQUARIUM Fauna Marin’s Potassium Test Kit is a new standards for the detection of potassium in saltwater aquariumsFauna Marin AquaHomeTest K is using a newly detection method which delivers extremely precise results in just...

Toxic Nitrite is produced by nitrifying bacteria in the biological filter as it breaks down ammonia. Reads nitrite levels from 0 to 5ppm. For fresh & saltwater use Nitrite, a major cause of fish death, is produced in the aquarium...

If you have lost or broken the included cuvettes and caps that were included with your Hanna Checker or simply just want an extra set on hand, we carry replacements directly from Hanna. Over time the glass vials can become...

With the Fauna Marin Multi-Reference Solution, you can test your test kits under accurate conditions. Our Reference Solution is the first to be based on a saltwater matrix and is quality tested using our ICP-AES testing machine. We use a...

AQUAHOMETEST PO4 REFILL KIT HIGH SENSITIVE PHOSPHATE-TEST FOR SEAWATER-AQUARIUM The Fauna Marin Phosphate Test is very high-resolution and can determine the phosphate concentration with a particularly high accuracy in the low concentration range between 0.01 and 1 mg/l with clear...

Get your replacement reagents for your HI781 Marine Nitrate Low Range Colorimeter today. These high-quality reagents are manufactured in our state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability. Pre-made reagents for ease of use....