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Your cart is empty.Determine the oxygen concentration in water samples mainly for aquarium and aquaculture. The water sample can be freshwater and seawater. Dissolved oxygen is essential for the survival of all aquatic organisms. With the modified Winkler method by titration of this test kit, the testing can be very precise and quick and easy in use.
Johnny
August 27, 2025
The media could not be loaded.
Rachel-Liz Anderson
August 11, 2025
I use this to test my aquarium water and it was really easy to use and had some awesome water bottles that were reusable with corked tops! So amazing, really easy to use and the instructions were easy to follow as well.
Chris
August 4, 2025
these are good quality testing kit. doesn't take long to use, worth the money.
M. Coppola
July 18, 2025
Worked as it should to determine oxygen content in our pond Nice tool to have on hand
F.D.P.
June 18, 2025
Precision is questionable.
ANGELA DOUGLAS
June 3, 2025
I have used multiple times and get the same readings when I should not. I don't think it is accurate or the instructions or chemicals are wrong. I teach science and used for labs. Could not get readings to differentiate extreme hot vs cold water. Hot (212 degrees) should have much less oxygen.
John Blagg
April 24, 2025
The media could not be loaded.
Shujit
December 23, 2024
Can’t really tell if this is accurate since I have nothing to compare it with. However, it’s pretty simple to use. The procedures are easy to follow. Just hoping for the results to be accurate. I used it to monitor my fish tank DO. A little expensive, I’d be more satisfied if the cost was slightly lower. But, it’s a cheaper alternative to a DO meter.
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