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Reviewed in the United States on September 21, 2024
Got here fast and im surprised how handy they are. In a rush at a glance i can feel ok about not having time to test parameters. I used 2 NH4 to verify and now use only 1, they are far more accurate than i would have ever imagined.
Customer
Reviewed in the United States on September 15, 2024
I got these as replacements for the one I had installed in my tank; instructions say to replace them after a year but I had let them go 1.5 years and had no problems. The three-pack means this purchase will last several years.
Tressie N Conway
Reviewed in the United States on December 1, 2024
Some worked others were way off on the results when compared to a reliable test kit.
amabenal
Reviewed in the United States on April 7, 2022
Una buena inversión en calidad precio me parece muy buena oferta y funcionan perfecto me agrada tener siempre los parámetros correctamente
gerardo
Reviewed in Mexico on April 7, 2022
los instale y al parecer funcionan correctamente soo el tiempo dira
Gerald Elsbree
Reviewed in the United States on June 29, 2021
Don't work at all
Kar
Reviewed in the United States on June 13, 2021
Did not initially stick to tank. Will see how it works.
Schnauzer Mom
Reviewed in the United States on May 20, 2021
These are great while they last. Ammonia seems to be good for a long time, but the pH dot only lasts about 3 months. I expected at least 6 months out of it.
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