No ammonia after two weeks? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 2 Old 03-18-2012, 05:00 PM Thread Starter
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Question No ammonia after two weeks?

I bought my first tank 2 weeks ago, a 10 gal. I read a lot about cycling and caring for fishes. With the tank I bought 3 guppies, 2 females and a male, because they looked like interesting fishes to have. Also in my tank there are a few live plants: a rather small plant that's about 4 inches high, and 2 bunches of tall fast growing ones, I don't know the name of any of them. I'm been monitoring ammonia everyday, and after a week still had a reading of 0. So I decided last weekend to go get a few neon tetras to get a higher bio load, thinking maybe my plants absorbed the ammonia. Now, a week later, with those 8 fishes in the tank, I still have 0 ammonia. I overfeed quite a lot to try to make more waste, it still doesn't work. I have two different testing kits that say the same thing. Nutrafin mini master kit, and API liquid ammonia test.

So what is happening ? Is this very small amount of plants really absorbing all the ammonia? What if I never get even the beginning of a cycle? Will my fishes thrive in this "uncycled" water?

My filter is a marineland 100. Temperature is 27, PH is around 7-7.5. Nitrite 0, nitrate 0. I had 2 20% water changes.

Any input on this would be appreciated!!

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post #2 of 2 Old 03-18-2012, 08:10 PM
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It seems this is going normally, re the cycling. Live plants assimilate ammnia/ammonium as their preffered source of nitrogen, and they can take up a lot of it. Especially fast growing plants. You should not see ammonia or nitrite with sufficient live plants for the fish load.

But on this, you are maxed out for a 10g.

And, welcome to Tropical Fish Keeping forum.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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ammonia , freshwater , guppies , neon tetra , new tank

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