[PunkinOfSteel]

So i have never had the problem of having high Nitrates in my tank before, they have always been low. Something happened in the past week or so with the water in my tap and it is reading about 40ppm.

I have a 20 gallon long planted cycled aquarium that will be on it's 7th week of being up and running on Monday. I did a huge water change yesterday 80-90% and rearranged everything and replanted my plants. My Ammonia and Nitrites have been at a steady 0ppm for about a week and a half and my Nitrates have been around 40ppm. After the water change it went down to 10ppm (that was at midnight) and today (it was without any fish at all yesterday) it's back up to 40ppm.

Is there something that I can add to the tank so that it will get rid of the Nitrates? I was going to do another water change but my tap is having some sort of problem and it's giving me really high Nitrates, I've never had that happen before so I don't know if it will pass in a few day or what.

I've only got a male Betta in the tank right now.

 

[flight50]

Test your tap separately and see what the readings are. Secondly, it sounds like you caused a mini cycle. You shouldn't have rearranged and replanted. You disturbed your cycle. Your tank is not mature enough to be able to handle what you just performed. Plants and water changes are the two ways to remove nitrate. The other would be to invest in a R/O unit from the start. It strips the water of everything.

 

[Hallyx]

Flight's right. As your plants resume healthy growth they'll help to remove nitrate -- assuming the right kinds of fast-growing plants.

Seachem has a new (to me) product called De Nitrate. I don't know anything abou it, but you might check into it.

 

[tankman12]

Some floating plants, frogbit or dwarf water lettuce would take those nitrates out pretty good. Plants are the only natural way to remove nitrates (if your water has nitrates in them).
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