denitrator - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 21 Old 05-25-2009, 03:18 AM Thread Starter
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denitrator

Is buying or building a denitrator worth the trouble? the nitrate ppm in my aquarium is pretty hi. the ammonia is 0ppm though. I have three live plants in the aquarium to help with the nitrate problem. Water changes are the best route? I'm planning on going away during the summer for about 3 weeks, and I don't want my parents to have to change the water. Any suggestions on the nitrate problem?
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post #2 of 21 Old 05-25-2009, 05:41 AM
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Could you please post your tanks and inhabitants? You might want to feed a bit more before you leave and do plenty of water changes to compensate for the possible food leftovers and added wastes. When you come back, start with small water changes daily and increase water volume each day until your nitrate is back to where it should be. Healthy fish can do well without food for at least 2-3 weeks.

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post #3 of 21 Old 05-25-2009, 11:35 AM Thread Starter
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60 gallon with a wet/dry filter

2 zebra danios
1 ghost knife
3 black skirts
1 dwarf gourami
1 algae eater
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post #4 of 21 Old 05-25-2009, 10:13 PM
what's a denitrator?
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post #5 of 21 Old 05-25-2009, 10:16 PM
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Quote:
Originally Posted by Sageo3000 View Post
60 gallon with a wet/dry filter

2 zebra danios
1 ghost knife
3 black skirts
1 dwarf gourami
1 algae eater
It's not that bad but your BGK will eventually eat everyone while you're away.

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post #6 of 21 Old 05-25-2009, 10:44 PM Thread Starter
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the bacteria that eat up nitrate are anaerobic oxygen is toxic to them, so a denitrator is a filter system that does not involve oxygen.


^ i think that is right.
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post #7 of 21 Old 05-26-2009, 07:21 AM
so is it something like an under gravel filter/ chamber with a tube that leads the toxic air out of the tank?
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post #8 of 21 Old 05-26-2009, 08:43 AM Thread Starter
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google it! ><

60 gallon
1 black ghost knife
4 black skirt tetras
2 zebra danios
1 algae eater
1 golden killifish
1 bamboo shrimp (MIA)
2 albino cory cats
3 tiger barbs

29 gallon (brackish)
1 Balloon and 10ish babies
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post #9 of 21 Old 05-26-2009, 09:31 AM
i did. it gave the same thing you said. I saw some DIY systems but i'm still a bit confused... and it was all for saltwater tanks. Since this is under freshwater, im guessing it works slightly differently.
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post #10 of 21 Old 05-26-2009, 10:10 AM
I also don't quite understand how you plan to use a denitrator on freshwater. I don't really see a point either, I understand how the work. But how do you clean the filter without exposing it to oxygen and killing off your bacteria. Whats your nitrate at anyway? You tank is really lightly stocked, nitrate should not be an issue. What do you do for weekly waterchanges?

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