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Old 08-28-2014, 09:56 AM   #1
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Green water?

A few weeks ago my water was always green. After 50% WC it was ok for a day then green again.
I decided to do a full clean (bleach gravel, clean glass etc). It was great for a week but now the water is green again. Also I am getting some slime in the filters
Any ideas what my problem could be?
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Old 08-28-2014, 06:24 PM   #2
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What size tank? Stock? Water change schedule? Filter type? Water parameters? Lighting schedule? Planted or not? Sorry to throw so many questions at you but we need to know more before we can make suggestions.
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Old 08-28-2014, 06:37 PM   #3
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Quote:
Originally Posted by senorkevin View Post
A few weeks ago my water was always green. After 50% WC it was ok for a day then green again.
I decided to do a full clean (bleach gravel, clean glass etc). It was great for a week but now the water is green again. Also I am getting some slime in the filters
Any ideas what my problem could be?
Usually, it's too much light coupled with too many nutrients. Try cutting back on the light hours and reduce feeding amount ( or increase filtration & cleaning schedule).

Hope this helps
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Old 08-29-2014, 09:37 AM   #4
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My tank is 160 lts (42 Gallons) with AC 20 and AC 50 filters, Small air pump, 2 fake plants, 1 drift wood, lighting 10000k 20w super light and 20000k 20w coral blue light.
I very rarely put the light on to be honest.
200w heater set at 25 degrees C
Ph, 7.5, Ammonia 0, No2 0, No3 about 30
50% WC once a week
Stocking:
1 bristle nose albino pleco
2 rapheal catfish
2 hillstream loach
1 snail
3 mollies
4 guppies
10 neon tetras
5 rainbow tetras
1 dont know that it is!
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Old 08-29-2014, 09:39 AM   #5
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Maybe it is the sunlight. It is in a light area of the room but no direct sunlight
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Old 09-01-2014, 01:37 PM   #6
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Are the levels ok?
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Old 09-01-2014, 02:35 PM   #7
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Lowering your Nitrates through water changes will help take away some of the food for the algae but typically you have too much light if you are getting green water. If you black the tank out for a week or two it will get rid of it but it will just come back if you don't lower the light levels.
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Old 09-01-2014, 02:59 PM   #8
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Originally Posted by dalto View Post
Lowering your Nitrates through water changes will help take away some of the food for the algae but typically you have too much light if you are getting green water. If you black the tank out for a week or two it will get rid of it but it will just come back if you don't lower the light levels.

+1
Re. my other post: The nitrates are the nutrients, the sunlight is the light. You should find a way to shade the tank from the outside light and lower the nitrates and you should be good to go!
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