Amonia in tap water - The Planted Tank Forum
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post #1 of 4 (permalink) Old 02-03-2019, 12:57 PM Thread Starter
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Amonia in tap water

I think that I have a problem!
After cleaning all the substrate, my ocd compelled me to clean all of the filters.
Since I have never cleaned all three at once, I figured that it might be a good idea to test for ammonia.
And the test showed about .25 ppm. I thought ops my bad, so I ran out to the store and picked up a carton of that white
ammonia absorbing granules, and a bottle of ammonia lock. I used all of the stuff that I bought.
The next day the ammonia was gone, did a huge water change the following day, then checked for ammonia and it showed on the test
So, I figured I was having trouble reading the test, so I filled one test vial with water change water that has been siting for a day, and marked the vial so I would not mix them up.
And I filled another test vial with tank water.
And what do I see,,,, the tank water showed no ammonia it was pretty much yellow.
But the water change water was showing somewhere between .25 to .50 ppm. it had a slight green tint to it.
Very obvious difference in color between the two test vials.
I ran the two tests again, using tap water from a different water change garbage can, and same results.
So my tap water has somewhere between .25 and .50 ppm ammonia.

I have a pretty big RO filter, I picked it up a while ago. But I really don't want to go that route.
Do I buy a 5 gallon bucket of those white ammonia absorbing granules?

I am really at a loss as what to do with this situation.
Also can someone recommend a better ammonia test then the API one that I am using now?
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post #2 of 4 (permalink) Old 02-03-2019, 01:31 PM
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Using a chlorine/chloramine remover like prime or similar? Theres more than a few posts around that are similar to yours. Hopefully it's that simple.

Check this thread out

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post #3 of 4 (permalink) Old 02-03-2019, 02:19 PM Thread Starter
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I have been using prime for about ever, and just read the directions all the way through.
Yep, I think everything should be okay if Prime detoxifies the amonia.
I guess the next time I do a water change I will keep an eye on how long it takes for the BB to eat the amonia up.
The tap water in my water change garbage cans have not been treated with anything, just plain tap water in there.
I looked up what my water processing plant uses, it should be just chlorine.
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post #4 of 4 (permalink) Old 02-03-2019, 03:29 PM
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Most water treatment plants use chloramine, not chlorine. It's more stable.

The presence of chloramine will result in a false positive for many ammonia tests. Continue treating with Prime, and your tank will be okay.
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