• 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.
  • photo of two low range ammonia checker reagent bottles
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    The HI700-25 Ammonia LR Checker® Reagents are the replacement reagents for the HI700 Ammonia Low Range Checker® HC.