The German Aquaristikzubehör company Tetra offers a range of water tests for aquarists. When described here is a test that measures six important for the aquarium water values:
-) Nitrite
-) Nitrate
-) Total hardness
-) Carbonate
-) PH value
-) Chloride
== == Application
In the pack 25 test strips are included. These are dipped into the water and the thereon colors change (duration up to one minute). The colors are matched with a comparative table and a (gross) water value can be read.
However, the scale is very rough, the colors are very difficult to distinguish in certain areas (white, pale pink, light pink, rose, red, ...) and can blur. Some values are not displayed on the scale (eg, total hardness is here limited to a maximum of 16 ° dH).
== Conclusion ==
Easy to use, values of the color table but sometimes difficult assignable. The values Total hardness, alkalinity can be at least as good as measured by the water supplier. For measurement of nitrite or nitrate I use today due to higher accuracy a separate water test because I am not satisfied with the coarse scale from the 6 in 1 Water Test.
I hope I could help you with this review.
