API TEST TUBES serve as replacement test tubes for those included in API TEST KITS. Product comes with 24 glass capped test tubes in API box. Test tubes may be used with all liquid API TEST KITS. With API Aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For over 50 years, API has been creating innovative, research-driven solutions that make it easier to care for your fish and aquarium. API Aquarium Treatment Supplies are designed to work in conjunction with each other to provide best results to control algae, promote healthy bacterial growth and help control and cure fish diseases and conditions such as ich and fin rot. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. With API, you can spend more time admiring your fish, and less time scrubbing your tank. Make sure to use all products as directed in order to ensure the best results.

Product Features

  • Contains one (1) API REPLACEMENT TEST TUBES WITH CAPS For Any Aquarium Test Kit Including API Freshwater Master Test Kit 24-Count Box
  • Compatible with any aquarium water test kits including freshwater and saltwater test kit, pH test kit, ammonia test kit, nitrate test kit, reef test kit, calcium test kit and more
  • The API test tubes are perfect to replace API Freshwater Master Test Kit tubes, API Saltwater Master Test Kit tubes, API Reef Master Test Kit tubes, API Pond Master Test Kit tubes and any other API Test Kit tubes
  • Snap-tight plastic caps
  • Use when original tubes have been lost or damaged

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This article has 3 comments

  1. Anonymous

    Accurate test that takes around 10 minutes to do I recently bought my first fish tank, , and quickly learnt about the importance of testing the water. In case you do not know, a new fish tank needs to go through a cycle where the waste becomes ammonia (dangerous for fish); then, bacteria will grow and convert it into nitrite (also poisonous); and then additional bacteria will grow and convert it…

  2. Anonymous

    Fish and idiot pond owner approved I’m new to the whole pond thing and I of course do things backwards. I bought a house with a pond and a single fish. I vowed that if I kept him alive for a few months, that only then I would dive in so to speak.I haven’t killed that guy yet, so I dove in, backwards, buying a pair of fish. They were soon in the pond and I was like yeah, I’m the best pond caretaker alive! Then the fish were all acting weird, like lazy as hell. I quickly ordered this and it came and I was…

  3. Anonymous

    Economical. I am new to the world of aquariums, but I learned to use this kit quickly and frequently. You just need to be capable of and willing to follow some basic directions, shake vigorously, set a timer for 5 minutes and check the waterproof color guide sheet. I’ve already lost one test tube cap, most likely due to my cats playing with them. If you accidentally let the test solution sit overnight in the test tube it can stain the inside, requiring you to scrub it out, so don’t be lazy like me.:-/ I…

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