Tropical Fish Keeping - Aquarium fish care and resources

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freshyfisher 05-19-2011 09:29 PM

Wierd Cycling
My tank is cycling weirdly. From the past one week i'm seeing this reading. :-?

Ammonia - 0.25
Nitrite - 0
Nitrate - above 5 ppm

I actually seed my tank with a filter media from LFS. When will my tank ever finish cycling. Tank is running from Apr first week. I seeded my tank twice with filter media. Please help.

excal88 05-19-2011 09:50 PM

Have you been feeding the tank any sort of ammonia? Such as pure liquid ammonia, ammonia via shrimp, or pinches of fish food? Without a constant source of ammonia the bacteria will not grow, and your cycle just sits there. I made the mistake of that before, thinking that my cycle was done without any source of ammonia, and it cost me 2 fish.

freshyfisher 05-19-2011 10:00 PM

I've 3 fishes in the tank already.

excal88 05-19-2011 10:41 PM

Hm. Did you use a fish-in cycle then? Or did you seed and waited for a week or so, and then add fish? How long have your fish been in there?

zof 05-19-2011 10:54 PM

What kind of fish are you cycling with and how big is the tank? Also before this did you tank appear to go through a normal mini cycle (I wouldn't expect a normal large on with being seeded.)

Byron 05-20-2011 10:07 AM

I tend to think the tank may have cycled. It should have after 7 weeks. So that leaves the question of where the ammonia is coming from.

Have you tested your tap water on its own for ammonia?

Are there any live plants in the tank?

Which water conditioner do you use, and how often are water changes done, and how much volume?

freshyfisher 05-21-2011 03:36 PM

Thanks for all the replies.

My tank is running from Apr 4. Lost couple of fishes too :(. Tap water ammonia is fine. no ammonia. There are no live plants.

Currently 1 platy and 2 black molly. Had 2 platies and lost one yesterday :(. There were couple of frys and i dont see them anymore. They might have died i guess. Would they be adding ammonia to the tank? Should i do complete gravel val?
I do 30-40% water changes daily and use Sachem Prime.

I want to add more fishes, just this cycling is making me impatient.

Byron 05-21-2011 03:57 PM

I still think the tank is initially "cycled" though the demise of some fish indicates it took its toll. Yes, dying fish will add ammonia. Remove the corpse when you see it.

If ammonia and nitrite are zero consistently, initial cycling is done. When this occurs for several days, you can add new fish, slowly. What size tank is this [just noticed that is not mentioned in this thread]?

freshyfisher 05-21-2011 04:24 PM

I just checked and i see 0 ammonia. i'll monitor for couple of days. Its a 10 gallon tank. What else i can add.

Tank has brown algaes now. Will it go by itself?

Byron 05-21-2011 04:33 PM

That is not a lot of space. If yo have male and female livebearers (platy, molly, swordtail, guppy are livebearers) you will have many fry, a female can deliver 50+ fry almost every month. Left in the tank, many will survive, and add to your bioload.

Brown algae is diatoms, and common in new tanks; it should disappear after a few weeks.

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