Help! Worried about otos and biological filter. - The Planted Tank Forum
 
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post #1 of 8 (permalink) Old 04-08-2013, 10:13 PM Thread Starter
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Help! Worried about otos and biological filter.

I have a newly cycled tank with lots of plants and 3 otocinclus. I got the otos because everything I read said that planted tanks grow lots of algae and otos are great algae eaters. The problem is, my tank doesn't seem to have any algae. So, I've been giving the otos zucchini to eat, but I don't know if they're getting enough. I haven't noticed them making poo-poo. If they aren't pooping, that means there's no ammonia to feed my biological filter, right? Is all the bacteria going to die because the otos aren't pooping enough? I don't want to lose my bacteria that took me so long to grow! What should I do? Should I add more fish right away? How much time do I have before my bacterial filter dies?

55g: Finnex Planted+ and MonsterRay, Pressurized CO2 w/ Atomic inline diffuser, Eheim 2217, Eco-Complete, EI ferts. Lemon, Glowlight, and Black Neon Tetras; Harlequin Rasboras; Otos. Staurogyne repens, Hygrophila corymbosa, Ludwigia repens, Ludwigia glandulosa, Red Melon Sword, Wisteria, Water Sprite.

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post #2 of 8 (permalink) Old 04-08-2013, 10:57 PM
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I wouldn't worry about the bacteria as I'm sure they are pissing in the water.
That being said, Otos are recommended for "mature tanks." How old is your tank and how long have you had your Otos? If you just got them, don't be surprised if they die as new Otos have a high mortality rate. If they you still have them after about a month or two, then they will probably be fine. I would still keep adding algae wafers or fresh veggies.
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post #3 of 8 (permalink) Old 04-08-2013, 11:56 PM
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Don't worry about it. Otos aren't recommended as the first fish in the tank, as they are more fragile, but you aren't going to lose your biological filter.

-VeeSe

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post #4 of 8 (permalink) Old 04-09-2013, 02:55 AM
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Fish 'excrete' ammonia via the gills.

Rotting food and poop contains some ammonia. When the leftover food is low protein (vegetables) then there is not much ammonia produced.

If the Otos are all you have in there then the bacteria will die off to match that bio load.

You might consider moving some cycled media to a bucket.
Add an air bubbler or table top fountain pump for circulation.
Keep up feeding of ammonia to keep the bacteria alive.
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post #5 of 8 (permalink) Old 04-09-2013, 03:39 AM Thread Starter
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Quote:
Originally Posted by Diana View Post
Keep up feeding of ammonia to keep the bacteria alive.
Feed ammonia while there are fish in the tank?

55g: Finnex Planted+ and MonsterRay, Pressurized CO2 w/ Atomic inline diffuser, Eheim 2217, Eco-Complete, EI ferts. Lemon, Glowlight, and Black Neon Tetras; Harlequin Rasboras; Otos. Staurogyne repens, Hygrophila corymbosa, Ludwigia repens, Ludwigia glandulosa, Red Melon Sword, Wisteria, Water Sprite.

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post #6 of 8 (permalink) Old 04-09-2013, 03:43 AM
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Quote:
Originally Posted by Smeagol View Post
Feed ammonia while there are fish in the tank?
I think they mean feed the bacteria that's in the media that's in a separate container.


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post #7 of 8 (permalink) Old 04-09-2013, 04:02 AM
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Re: Help! Worried about otos and biological filter.

Bacteria will scale to the bioload. There should be enough there now to support 3 otos. When and if you add more fish, the bacteria colony will grow to support the higher bioload. So, I am not sure what you are worrying about, if the tank is cycled.

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post #8 of 8 (permalink) Old 04-09-2013, 04:45 AM
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Feed the otos... Algae wafers or blanched veggies since there is no algae in your new tank. Other than that continue on what you where doing. As OVT said once you get more fish your bioload will increase so will your bacteria. Results of this 98% of the time is a beautiful aquarium and happy hobbiest

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Thanks for your time
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