Controllers & Testing
Aquarium Controllers & Testing equipment allow convenient measurement of important aquarium water parameters. Choose from our selection of electronic controllers, monitors, and liquid test kits to help ensure proper water quality of your freshwater or saltwater aquariums. High-tech digital controllers and monitors boast precision lab-grade quality to streamline testing and monitoring of vital aquarium water parameters.
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API GH/KH Test Kit
$10.99
API pH Test Kit
$7.98
seneye Monitor System Accessories
$9.99
Red Sea Iodine Pro Test Kit
$50.99
Red Sea Algae Control Multi Test Kit
$22.99
Red Sea Magnesium Pro Test Kit
$38.99
Red Sea Calcium Pro Test Kit
$38.99
Hanna Instruments Marine Alkalinity Checker HC
$10.00