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The Aquarium Wiki Encyclopaedia Forum | Aquarium Care | Equipment | Topic: Using API liquid Nitrate test kit

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Topic: Using API liquid Nitrate test kit (Read 238 times)

quatermass
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Professor Quatermass (Stuart Halliday)

Using API liquid Nitrate test kit

« on: August 20, 2009, 03:50:32 PM »

I just tested the nitrate level in my wee 20L walstad tank and thought this might interest people.

I use the API Liquid Nitrate Test kit.
The 2 bottles are stamped 17A0108 which indicates they were made in Jan. 2008

I got a reading of over 80mg/l which I didn't believe for a moment!

I tried a Tetra 6in1 dip stick which was opened 2 months ago and it read barely 25 mg/l.

So I dug out a new packet I bought of the API liquid Nitrate about 3 months ago and looked at the stamp on it. It was 17A0607, (June 2007) yes a full year older!

API claim these bottles are good for 3 years from this date.

So I did a test with the 'new' bottle and got 10mg/l.

Cute eh?

But which do I believe?

I did do the right shake periods on bottle #2 and the test tube waited 5 mins!

I'm really getting fed up with the liquid test kits and I'm saving up for a hand device.

http://www.aquardis.co.uk/acatalog/cat-allergies.html
A mere £75

Grrr..... Grin