Hagen Nutrafin Calcium Test for Fresh and Saltwater

I just wish these titration tests were easier to perform. Also a color change from pink to light purple is not very noticeable sometimes which will affect the accuracy of your test.

Very simple and easy to use test kit for calcium. I read all the great reviews and based the purchase on them. Very helpful. Would definitely recommend!

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The caps of the bottles fit perfectly, but somehow when pouring some drops, the "nozzle" leaks a little, thus making me squeeze the bottle very gentle, so i dont have an extra drop on the test.

The thing I certainly hate in this test, is the crystal test tube : the bottom is rounded, so you have to be holding the tube all the time!! and the white plastic cap that goes on top of this tube (so you can shake it) doesnt fit tight, so if you don't use your finger to press the cap, you might end up with the liquid to fly all over...

Thats why I gave them 4 stars, the accuracy is not that bad...

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I have a saltwater tank and my coral has been eating the calcium like crazy so I need to test frequently and replenish calcium. I love this test! It's simple, quick and easy to read to determine your calcium level. I tried one other before this one and it was very cumbersome and the test result was not very accurate. This is also the same test that my local fish store uses. Highly recommend!

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