Here Is A Little Puzzle!

jpeterson

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Ok, so i have been puzzled to why this is happening! Can anyone help solve my puzzle?!

I recently planted my tank and started using TPN+ fertiliser! I have since been getting high levels of ammonia showing however the fish seem fine!

I have had a reading of about 2ppm ammonia for 2 weeks, when i first spotted ammonia was high i did a full water change but the ammonia crept back within 24 hours! I though it may be because the filter needed a clean but i have done that and the ammonia is still at 2ppm. Here are the readings as i type this:

Ammonia: 2ppm
pH: 6
Nitrite: 0ppm
Nitrate 20ppm

Why might this be happening??!?1 Does the fert transfer nitrates into the tank using Ammonium Nitrate (NH4+)?

Is something else being read as ammonia?

I have tested the test kit and its fine, i tested tap water which is 0ppm then added enough ammonia to make the water 2ppm and the test kit did read 2ppm.
 
TPN plus contains ammonium which will register on a test. This is one reason planted tank keepers don't test there water. Ammonium is harmless to fish. So, personally i wouldn't worry to much.
 
Cheers! I though that is what it would be. First time I noticed I did a full 100% WC. HAHA!!!!!!!!

Would it cause that amount of ammonia though?
 

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