Hanna Instruments Ltd

How to measure alkalinity dKH in marine aquariums with Hanna Checkers

Measuring alkalinity levels within your reef or marine aquarium is important for maintaining the health of your plants, corals...

How to measure nitrite in marine and freshwater aquariums with Hanna Checkers

Consistently measuring the nitrite levels within marine and freshwater fish tanks is key for maintaining the health of your...

How to measure nitrate in a saltwater aquarium with Hanna Checkers

Regularly monitoring the nitrate levels within your marine aquarium is important for maintaining the long-term health of your...

How to measure marine ammonia in saltwater aquariums with Hanna Checkers

Being able to measure the levels of ammonia within your marine aquarium accurately is important for the health of your tank...

How to measure marine magnesium in an aquarium with Hanna Checkers

Monitoring the levels of marine magnesium in your saltwater aquarium is an important part of maintaining the health of your...

How to measure phosphate in marine and freshwater aquariums with Hanna Checkers

Consistently measuring the phosphate levels within your freshwater or marine aquarium is important for maintaining a healthy...

How to measure freshwater ammonia in an aquarium with Hanna Checkers

Accurately measuring the ammonia levels in freshwater aquariums is vital for the health of your fish and tank. The HI-715...

What are the key features of the HI-98594 Water Meter?

The HI-98594 multiparameter water meter is a rugged, portable handheld solution for measuring 14 key water parameters in a...

Discover the HI-98594 Multiparameter Portable Meter

The HI-98594 water parameter meter is a rugged, practical and completely portable solution for the measurement of 14 key water...

Discover the HI-6000 Multiparameter Meter

Limited-time offer: You can save £300 on any HI-6000 meter kit right now. Use code SAVE300 at checkout. No trade-in...

Choose your kit with the HI-6000 Modular Meter

Limited-time offer: You can save £300 on any HI-6000 meter kit right now. Use code SAVE300 at checkout. No trade-in...

The Hanna Aquarium Gift Guide 2024

Finding the perfect gift for an aquarist or fish hobbyist is a unique challenge. Whether you’re an aquarium owner yourself...

What are the key features of the 6000 Series?

The 6000 series of advanced benchtop meters from Hanna Instruments is an ideal solution for high-precision in-laboratory...

How does digital monitoring prevent problems in aquariums?

Digital monitoring is an effective and accurate way to measure key parameters in both freshwater and marine aquariums. Hanna...

Discover the 6000 Series

The 6000 series are innovative, advanced-level benchtop meters designed for high-precision measurement in laboratories. These...

How to prevent algae in a pool or hot tub

Warmer days and longer hours in summer provide the ideal opportunity to enjoy your pool or hot tub. As temperatures rise and...

pH electrode troubleshooting guide

Keeping your electrodes well-maintained is key for accurate, reliable measurements. If problems occur with the results of...

How to measure pH

pH is an important measurement across a wide range of industries, including food processing, laboratory testing and water...

How to store your pH electrodes

Proper maintenance and care are key to keeping your pH electrodes in good condition for accurate, reliable measurement....

What are the key aquarium parameters for freshwater tanks?

Freshwater aquariums require careful monitoring and water quality adjustment to ensure all fish and plant life is healthy. A...

How to test aquarium water with Hanna Checkers

Hanna Checkers are a highly accurate alternative to test strips and chemical test kits, providing clear digital results when...

Five key parameters for wine analysis during crush season

Having the necessary equipment for testing your wine ahead of crushing season is essential to gain insight into the quality...

EC for growing: A three-minute guide

Electrical conductivity (EC) is one of the most important parameters to test in growing, whether you are using a hydroponics...

How to calibrate your pH electrodes

Using a digital pH meter for pH measurement is the ideal solution for reliable testing in a range of industries and...

Which pH calibration solution should you use?

pH calibration solutions, also referred to as pH buffers, are an integral part of the pH measuring process. Hanna pH buffers...

Everything you need to know about COD and reagents

Chemical Oxygen Demand, or COD, is a vital measurement utilised in the wastewater industry to understand the amount of...

How to save money on COD reagents

As a required consumable for testing, chemical oxygen demand reagents are the primary ongoing expense for in-house analysis....

Save money and up productivity with trade effluent COD testing

Chemical oxygen demand testing is an essential piece of the puzzle for effective trade effluent discharge. If you want to...

Do reagents make a difference in COD testing?

COD testing is a strict requirement for any UK industry that produces wastewater from various processes. Alongside the...

How to test COD in-house: Everything you need to know

Chemical oxygen demand (COD) testing is an important parameter to measure, and is a required step before water can be legally...