Hanna blogs & articles

How to measure nitrite in saltwater aquariums with Hanna Checkers

Accurately measuring the nitrite levels within your reef or marine aquarium is key to maintaining a water quality that is...

Everything you need to know about aquarium water testing with Checkers

Hanna’s range of aquarium Checkers is the ideal solution for measuring key parameters in your tropical or freshwater fish...

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...

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...

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...

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...

8 of the best Hanna Checkers to buy for your freshwater aquarium

Hanna Checkers are an ideal method to accurately measure the key parameters within your freshwater fish tank, whether you have...

Choosing the right pH electrode for your application

Picking the correct pH electrode for your application is essential to achieving accurate measurements. With more than 100 pH...

What is the best practice for aquarium water testing?

Following best practice for aquarium water testing is the ideal way to ensure your tank is safe, habitable and healthy for...

How to Look After pH electrodes - 10 Top Tips

Discover the Halo2 range from Hanna

The unique and innovative Halo2 range combines the accuracy you expect from Hanna Instruments instrumentation with the...

What are the key aquarium parameters for marine tanks?

Saltwater aquariums are extremely varied, from complex coral reef aquariums to simpler fish tanks for tropical fish breeds....