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A sensor changes reversibly from yellow to green to blue
and carbonate right where it’s needed
Fusion 30L
Since the Goby lives on the bottom of the tank
Whether you have a mixed reef or just keeping a large fish only saltwater aquarium
Hanna Instruments Saltwater Aquarium Ultra Low Range Nitrite Colorimeter Neptune Systems A sensor changes reversibly fromStop struggling to get accurate results for your saltwater aquarium with our simple handheld colorimeter. Our nitrite colorimeter fills the gap between nitrite test kits and advanced instrumentation. Standard test kits have limited accuracy since they depend on the human eye to determine colors. Our handheld colorimeter eliminates the trouble of matching to a color chart by providing a direct saltwater nitrite result. Our portable handheld colorimeter
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