Salinity Testers

Salinity Test Kits Help and Advice

Specifically designed for saltwater aquariums

Measuring the salinity or the dissolved salt content of water is important as aquatic organisms, livestock, and crops thrive at different salinity levels. Too much or too little salt in the water can play havoc with your marine tank's health. Find top brands such as Fluval, D&D and Hanna here at Swell UK.

What are salinity test kits?

Salinity testers for your aquarium allow you to ensure that you are creating a balanced marine environment for your fish and coral to thrive in.

Why might I buy salinity test kits?

Salinity levels are essential for both freshwater and of course saltwater tanks. Too much or too little salt in your water can mean that the life you are keeping in your tank can suffer, and balancing it can be a difficult act considering the number of water changes you need to do over the months and years you keep your tank.

What are the main types of salinity test kits?

Salinity Testers examine your water's salt content, ensuring that the water in your tank and the water you top it up with is at just the right level. They come in different forms, from simple salimeters to sophisticated refractometers. The Hanna Checker bridges the gap between these simple chemical test kits and professional instrumentation. Hanna Checkers are small, handheld photometers that provide higher result accuracy than typical chemical test kits.

What features to look out for?

Our hydrometers and refractometers all provide an accurate and convenient method of measuring specific gravity and salt levels in marine aquariums. Compact and easy to use, they can be permanently installed inside the tank for continuous readings thanks to their strong suction cup. The slim, low-profile design of the Fluval Sea Hydrometer camouflages well inside the tank and will not diminish the aesthetics of the aquarium. It can also be used as a portable device, allowing you to take samples simply by submerging them in the water.