Potassium Nitrate, does it show in test kit? - The Planted Tank Forum
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post #1 of 4 (permalink) Old 12-01-2015, 01:17 PM Thread Starter
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Potassium Nitrate, does it show in test kit?


I have a 90gal, it's planted with a bunch of vals, crypts, java fern, and anubias. There is 10 juvenile giant danios in there. The fish has been in there since Saturday. When I put them in, the tank water had 0-0.5 ammonia. 0 nitrites.

I tested the water last night and it has 0 ammonia 0 nitrites. I'm not sure what's going on with the nitrates because I don't have a test kit for it. I'm thinking of picking one up but I am also dosing Potassium Nitrate as a fertilizer, I'm guessing that will show up in the test kit? So is there really no way for me to test if the tank is cycling or done cycling?
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post #2 of 4 (permalink) Old 12-01-2015, 11:58 PM
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KNO3 will show up on nitrate test.
You should really purchase a test kit for this.

Is your tank properly cycled and my what means did you cycle it?
Nitrates being the end result of the cycling, should be monitored.
If cycled have you recently performed a large water change?

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Growing is not that difficult.
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post #3 of 4 (permalink) Old 12-02-2015, 03:30 PM
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If ammonia and nitrites are 0 you should be fine. Dosing KNO3 will not harm your fish unless in extreme amounts. Nitrate kits are somewhat useful at first but in general a waste of time IMO - I rarely ever use mine. Just make sure you have no ammonia and nitrites and you'll be fine.

In order for nitrates to be harmful you need A LOT. like way too much. If you do water changes every week there is no chance nitrates will be a worry for you. You can safely dose like 80ppm nitrates and be fine. 80ppm nitrates from a disgusting/neglected/dirty tank is a different story.

With those low tech plants I would dose like 1/4 - 1/3 of EI levels at the most. Weekly water changes and you'll be fine.

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post #4 of 4 (permalink) Old 09-25-2018, 06:20 PM
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wrong thread

Last edited by Wantsome99; 09-25-2018 at 06:21 PM. Reason: wrong thread
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