Hanna Instruments Aquarium Testers Live Invertebrates It’s easy to position at

It’s easy to position at any level in the aquarium

Dual-Head Magnetic Cleaning Brush

Cotton Outer Brush: Soft fluff cleans external glass/water stains without scratching

Works with easy-to-change Tetra Whisper Bio-Bag Filter Cartridges with Stay Clean technology – helps reduce buildup on aquarium glass

you will need to clean the electrode

Hanna Instruments Aquarium Testers Live Invertebrates It’s easy to position atAquarium testing equipment Test your reef tank with confidence and keep water in check with a simple digital read out Ditch the test strips and start using reliable aquarium testing equipment Test saltwater parameters such as magnesium, alkalinity, calcium, and more with our convenient Marine Checkers. Stop guessing results by eye, get instant digital readings.