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tap water NO3 = 12.5ppm

weileong

By weileong,
in General Reefkeeping_

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weileong Newbie

weileong

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I am using the Tetra NO3 test kit and the NO3 for my tank water reads 12.5ppm.

So I tested the freshly prepared SW and also 12.5ppm.

Then I went to measured my tap water and it reads also 12.5ppm.

I think something is wrong with the test kit.

Like to ask what brand of NO3 test kits you guys are using?

Weileong's 4ft tank Part I

Weileong's 4ft tank Part II

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hotsoup Newbie

hotsoup

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I think u should try other brand cos I had tested tap water and the NO3 was measured @ 0. Try Salifert, a bit on the high price

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FuEl Newbie

FuEl

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... if u find a digital no3 test kit . pls tell me.

There are digital ones that test for NO3...but those are used in food testing...saw it at one of the AVA branches once... really sophisticated machine...can test for other things too.

Always something more important than fish.

http://reefbuilders.com/2012/03/08/sps-pico-reef/

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FuEl Newbie

FuEl

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How much it cost?? u sure no3?? i have never seen 1 b4.. and i should have.. spending 8 hours a week in a chemical pilot plant.

Hehe...yep..confirm NO3...erm..not sure if can be used in saltwater though...

Maybe you can check with ppl working in the food control dept. from ava?

Always something more important than fish.

http://reefbuilders.com/2012/03/08/sps-pico-reef/

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weileong Newbie

weileong

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My company have the digital meter and probe for testing of NO3 ions. However the price you won't like to know and I won't want to pay for it. I don't think we need to get such accurate reading too. Just have a general feel of the NO3 conc like close to 0 ppm, 5ppm, 10ppm. Therefore a chemical test kit would be good enough.

Hanna instruments sells a cheap (ard USD$400) digital colorimeter which still requires adding of chemical for reaction then sensing the color (done by the machine).

I think for most of us just stick with the test kit is good enough.

Weileong's 4ft tank Part I

Weileong's 4ft tank Part II

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