high nitrite - The Planted Tank Forum
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post #1 of 5 (permalink) Old 02-06-2005, 12:11 PM Thread Starter
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high nitrite

Would any of the fertilizers listed below raise nitrites a significant amount?
Plantex CSm+B
potassium nitrate
mono potassium phosphate
potassium sulfate
Iron Chelate
Magnesium sulfate

All of a sudden I notices my fish were like gasping for air at the surface. I did introduce all of the fertilizers listed above yesterday.
I ran all the test I have on the water and all were normal except for nitrite which showed .50 which is in the high range according to my test. I have already made 2 20% water changes and added an air stone.
THe fish have now gone back down to their normal depths but are still breathing a little harder than normal.

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post #2 of 5 (permalink) Old 02-06-2005, 12:15 PM
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The tank is new, so that is to be expected, that is why I suggested in another thread for you to get as much mulm from old sub and place at bottom of new sub, to eliminate the nitrIte spike, ammonia, and any algae bloom's that may be forth coming, but just keep a close eye on it and the C02 for now till you get a feel for it.


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post #3 of 5 (permalink) Old 02-06-2005, 12:16 PM
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Sounds like your tank is still cycling or re-cycling . Did you remove any biological filtration ?

Not sure on the fert parts but I dose GW ferts and nitrite is not measurable.

JA - GO Eagles
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post #4 of 5 (permalink) Old 02-06-2005, 01:23 PM Thread Starter
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I think you are both right. I used my same filter which had 2 trays of bio balls form the old tank. I let it run in the new tank for about 3 days until I put in the plants. I let it then run for 1 more day and I then changed the filter pads. I had read with a planted tank the plants would absorb any spikes. So I took out the bio's yesterday. Maybe I should have left them in longer. I am going to make another water change now.
Thanks to both of you!

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post #5 of 5 (permalink) Old 02-06-2005, 01:28 PM
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Give the plants time to become part of the bio filter...

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