it been a month now of cycaling and my nitrites are still at 5.0 ppm??? - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 08-10-2008, 06:51 PM Thread Starter
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Question it been a month now of cycaling and my nitrites are still at 5.0 ppm???

my 55 gal tank has been cycaling now for a little over a month now and my nitrites are still at 5.0 ppm.iam squezzing my filter sponges from my well established tanks in to my 55 but it is not making any difference what am i doing wrong this is the hardest tank i ever cycaled.can someone give me some tips to get this thing cycaled already thanks
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post #2 of 5 (permalink) Old 08-10-2008, 08:09 PM
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If your ammonia and nitrIte are remaining at 0, it's possible that you've just got a good balance with your plants and they're using most of the nitrAtes up leaving you with a nice low 5 reading for your nitrAtes.

I could be wrong about this, so anyone else feel free to chime in. But that's what it sounds like to me!

A few pieces of info that would be useful though:

Are the ammonia and nitrIte readings in face 0?
Are there fish in the tank?
if yes how many and what kind?
How heavily is the tank planted?


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post #3 of 5 (permalink) Old 08-10-2008, 09:06 PM Thread Starter
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well the nitrIte are reading at 5.00 ppm ammonia i dont know didnt test for that. i dont have fish in the tank but iam getting waste from my filters from my other established tanks and squeezing them out in the 55 gal. and my plants i have right now is about a 40 leave java fern on the left side of my tank and some clipings from my hygros and a couple of other stem plant clipings in there
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post #4 of 5 (permalink) Old 08-10-2008, 09:12 PM
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well, squeezing filters from an established tank is going to add a lot of beneficial bacteria, but not a lot of nitric (sp?) waste, you need an ammonia source for the beneficial bacteria to eat. Either pure liquid ammonia, or raw shrimp or even some fish food that will add ammonia when it breaks down. You need to be checking for ammonia too to see if it's at 0 or not.
Others might chime in here, and if I'm wrong, feel free to say it. But I think you need to test for ammonia too.


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post #5 of 5 (permalink) Old 08-11-2008, 04:15 AM
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You need to stop squeezing all the nitrites from your other tanks into this one. A major source of nitrites in a tank is solid fish waste- which is what it sounds like you keep adding to this tank. Squeezing media once or twice into a new tank will help add the N-bacteria you need at first- then you do need to make sure that there is an ammonia supply in the tank as karakle mentioned.

You need to measure ammonia, nitrites, and nitrates in order to determine where your tank is in the cycling process- just nitrites will not give you the full picture.

Here's a few good article on fishless cycling I'd encourage you to read through:

http://badmanstropicalfish.com/articles/article14.html

http://www.geocities.com/Tokyo/4468/...hout_fish.html





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