Products

An innovative way to provide a nutritional diet for all fish and corals in the marine aquarium over an extended natural feeding period. The paste ...

The Half Black Angelfish, like its name is half black and half pearled in coloration. It requires at least a 70 gallon tank with lots of hiding pla...

The Halloween Hermit Crab, with its vibrant orange and red banding, stands out as a member of your aquarium cleanup crew. Originating from the Hawa...

Handheld TDS / Temperature Meter Our Handheld TDS meters are ideal for determining the Total Dissolved Solids within your RO water, priod to adding...

HI-70004C is a premium quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Each sachet has the ...

HI-70007C is a premium quality pH 7.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Each sachet has the ...

HI-70009C is a premium quality pH 9.18 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Each sachet has the l...

HI-772-11 is a high-quality set of calibration standards that allows users to validate the Marine Alkalinity Checker® HC - HI-772. The HI-772-11 in...

Alkalinity helps to maintain a stable pH, a vital factor for most aquatic life. Corals also need an adequate level of alkalinity in order to suppor...

Ideal for salt water aquariums and coral reef tanks. Designed exclusively for saltwater aquariums, the HI-755 offers a quick, easy and highly accu...

The HI-700 Ammonia Low Range Checker is a simple, accurate and cost effective way to measure low ranges of ammonia in fresh water. Designed as a m...

Ideal for salt water aquariums and coral reef tanks Designed to measure calcium in reef tanks, the Hanna Calcium Checker is perfect for corals and...

Hanna Checked Plus pH Spare Electrode (HI-1271)The HI-1271 is the spare pH electrode for the HI-98100 Checker Plus pH meter and the HI-98115 Grolin...

Hanna Checker Plus pH Tester (HI-98100)This easy to use Checker plus is a real favourite with fishkeepers and aquarists due to its clear LCD displa...

The HI-702 Copper high range Checker is a simple, accurate and cost effective way to measure high ranges of copper in water. Reads from 0.00ppm - 5...

HI-700601 Hanna Electrode Cleaning Solution - 20ml HI-700601P is a general purpose cleaning solution usable for a variety of applications and now a...

The HI-731321 glass cuvettes are supplied as a pack of 4 and are suitable for use with the HI-7** Checkers, HI-83099-02 and the HI-83200 & HI-8...

The HI731336N are the replacement caps that screw on the glass cuvettes used with the HI977xx series portable photometers. Each cap has a locking i...

The HI731315 are spare glass cuvettes and plastic caps used with the HI7XX Checker® HC colorimeters. Each cuvette has a 10 ml level mark to measure...

The HI-731331 is a pack of 4 glass cuvettes for use with the HI-977 & HI-967XX portable photometers series, HI-833 photometers, and turbidity m...

The HI-731331 are the replacement glass cuvettes used with Hanna photometers and turbidity meters.Each cuvette has a 10 ml level mark to measure th...

HI-7004L is a premium quality pH 4.01 calibration buffer produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized w...

The HI-731325N is a pack of 4 cuvette caps to be used with cuvettes for the HI-83099-02. They are notched to fit the groove on the meter, no light ...

This is one unit, please follow this link for the full kit The HI97105 Marine Master Photometer combines accuracy and ease of use in a simple, por...