Aquarium Pharmaceuticals Aquarian Freshwater GH & KH Test Kit

I have been using this test kit for a while now and have never had and difficulty with it, other than me droping the glass vials and breaking them on the floor. It's pretty straight forward and easy to use. Good thing there are 2 vials!

Got this to monitor my 75G and it seems to work according to the instructions. I put in the drops until the water changes colors and thats the hardness. Kind of wish they would come up with a test with a set amount of drops and then you judge the hardness from there. With this test you add the drops until the water goes from one color to the next and then remember how many drops you put in. Use that number on the chart and that's your hardness. I don't know, it might just be me, but is kind of a pain to take the vial cap on and off in between each drop.

1. Put one drop in vial of water

2. Put cap on vial

3. Shake or flip vial to mix drop with water

4. Did color of water change from Blue to Yellow (KH) or Orange to Green (GH)

5. No, remove cap, and repeat steps 1-4.

6. Yes. How many drops did it take, compare with chart supplied in instructions.

That is basically what you do.

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Please read the instructions first. It will make it easier when you are ready to test. Other then that it was easy to added the drops and read the colors.

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