When to Change Filter?? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 5 Old 04-09-2010, 06:57 PM Thread Starter
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When to Change Filter??

Ok, ive got my 10g tank, and its been running for 2 weeks with fish. The filter is pretty nasty looking, but i know im supposed to let bact build up. Ive heard some people say to leave it, some say wash it, what do i do? My water keeps getting cloudy as well.
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post #2 of 5 Old 04-09-2010, 07:11 PM
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When you do a water change, just rinse the filter in the old tank water and put it back in the filter. The bacteria will continue to grow. Do not follow the manufacturer's instruction to replace it because they want to seel more filters. Is your aquarium planted or not? Keep an eye on your water parameter to make sure the ammonia and nitrite and not spiking too high.
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post #3 of 5 Old 04-10-2010, 03:54 AM
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Is your water cloudy like it had milk poured in it, or are there larger particles floating around? Milky looking water is a bacterial bloom which is common in cycling tanks. It often follows the ammonia spike. Do you have a liquid test kit? I would get one as soon as you can so you can test ammonia, nitrite and nitrate levels in order to monitor the cycle. In the meantime, 50% water changes with a good dechlorinator that neutralizes ammonia and nitrite (like Seachem's Prime) will help.

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post #4 of 5 Old 04-10-2010, 09:12 AM Thread Starter
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its milky, ive been doing 75 % water changes daily, looks like its starting to clear slowly each day. I do have a test kit, the ammon always seems high, but when i add the detox, the test kit will pick up the detox as ammon, so my testing is off.
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post #5 of 5 Old 04-10-2010, 11:16 PM
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Keep doing the water changes to keep the ammonia under control and the bloom should go away, especially once the ammonia portion of your cycle is over. You might want to keep the water as aerated as you can (airstones, etc.) because those bacteria can really drop your dissolved O2 levels.

What kind of fish are in the tank?

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