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Thread: API Master Test Kits
11-16-2012, 09:28 PM #1
API Master Test Kits
Query, have any of you had any problems with these test kits? Following the instructions to the letter, I constantly show 5+ ppm of nitrites, even after a 50 % water-change. I'm beginning to wonder about this.
11-16-2012, 09:37 PM #2
Have you tested your tap water?
11-16-2012, 09:52 PM #3
Yeah, test your tap water. I always recommend that so you know what you are dealing with before the water goes into the tank.><((((º> ><((((º> ><((((º> ><((((º>
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11-16-2012, 10:47 PM #4
Ph-7.5, Amm-0 ppm, Nitrites-0 ppm, Nitrates-.5 ppm. My tap water.
Last edited by Dave Waits; 11-16-2012 at 10:50 PM.
11-16-2012, 10:54 PM #5
Well that should show that your test kit works if you get a different reading from the tap. Do another 50% water change and immediately test again?
11-16-2012, 11:14 PM #6
A 50% water change will not make a big change if you really have 8 ppm nitrites and they now drop to 4 ppm - both could, on a kit, read about 5 ppm since the eye is not great at comparing colors since light type and intensity matters.
Do a real water change - 90%+ because nitrites should be well under 0.5 ppm or lower. That is a better test. I hope this isn't an aquarium with fish ... .
11-17-2012, 01:16 AM #7
what everyone else said