• picture of 4 Glass Replacement Test Tubes with lids
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    Set of 4 replacement test tubes for the API Master Aquarium Test Kit.
  • Picture of packets of Free Chlorine Reagent packets in small self contained packs.
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    These are reagents for the colorimetric determination of free chlorine. There are enough reagents for 25 tests and are for use with Hanna’s compatible benchtop and portable photometers. These high-quality reagents are manufactured in a state-of-the-art facility and are clearly marked with the lot number and expiration date on each packet for traceability.