• Picture of a pH test kit with bottle, test tube, and freshwater pH color card
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    For when you need a replacement in your main test kit! A fast and easy way to monitor the pH of your aquaponics system. Just three drops in a vial of system water, shake, and read.
  • Picture of small bottle of API pH test solution
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    Highly recommended for all aquaponic systems! API reagent for pH. Keep your fish healthy and thriving by testing your aquarium water's pH regularly with easy-to-use API pH TEST KIT for freshwater aquariums.