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post #1 of 9 Old 02-13-2013, 09:33 PM Thread Starter
Arrow Api test kits

Have fresh and reef kits. Decided to use both kits to see if tested the same. To my surprise they did not.v it was the nitrate test.... any ideas?
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post #2 of 9 Old 02-13-2013, 09:43 PM
You need 2 different cards, one for FW and the other is for SW.
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post #3 of 9 Old 02-13-2013, 09:54 PM Thread Starter
Had the two cards but one tube was yellowthe reef kit solution but the freshwater kit tube was orange!
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post #4 of 9 Old 02-13-2013, 10:39 PM
Yellow on the SW Nitrate kit means you have 0 Trates. Thats why there are 2 different cards, they read different. Or maybe i'm not getting what your getting at. ??
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post #5 of 9 Old 02-14-2013, 07:42 AM Thread Starter
Have two kits freshwater and reef. Have the card out of each kit for nitrate. Each card has similar colors on their cards. But I use water out of my salt tank for each and tube from reef kit is good but tube from freshwater kit is orange and that is like 40 ppm

The reason I was worried lost two fish this week. Lil yellow blenny and lawnmower. When I got home last night firefish wasnt looking good did a water changeand he perked up. And that was the only test i guestioned

FYI The reef test kit only has two cards one for nitrate and one for phosphate
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post #6 of 9 Old 02-14-2013, 09:21 AM
Ok, now I understand. Weird as it may be, I run 30 in my tank most all the time, and I even have Corals. 40 is not a high number for a fish. Now, I couldn't tell you why its running different, other than the kit may be old. Try testing both of them on some RO water, see what happens then, this would be kind of a sanity test.
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post #7 of 9 Old 02-14-2013, 04:04 PM Thread Starter
Mine has been at 0 all along but thevweird thing the reef kit is newest and the lfs test came out high i.might try to call api
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post #8 of 9 Old 02-14-2013, 05:57 PM
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You need to make sure you're shaking the second bottle like a maniac for a minute (or two if you haven't used it in a while), otherwise you'll get low and inconsistent readings. The nitrate test kit is exactly the same for both freshwater and saltwater so either your problem is what I stated above, or one of them is old and giving inaccurate readings. Just because you recently bought it doesn't mean it's a new kit. If it's been sitting on the shelf for a while before you bought it then it can already be bad. What you need to do is check the lot# to see when it was made.
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post #9 of 9 Old 02-14-2013, 08:01 PM Thread Starter
Ok. I did shake like crazy but since there is so much difference which is right. Hummmmm
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