cant get my water clear? - Tropical Fish Keeping - Aquarium fish care and resources

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post #1 of 12 Old 04-09-2013, 08:38 PM Thread Starter
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cant get my water clear?

Any ideas on how to get the water in my 90gal SA Cichlid tank clear? Im very new to fishkeeping. I inherited this tank a few months ago. I vacuum the gravel, do water changes, clean the filters etc. I have two external hang over filters, not exactly sure what they are, I think one is a aquaclear something or another and the other has some kind of flat cartridge that slides down into it. The water is a greenish murky color that I cant ever seem to get clear =(
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post #2 of 12 Old 04-09-2013, 08:41 PM
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greenish murkey color, take a look at my aquarium journal and look for the one with the greenish water. is it similar to that? its towards the bottom.
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post #3 of 12 Old 04-09-2013, 10:02 PM Thread Starter
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nope not that green. It doesnt really look green unless you look straight thru from one side to the next and the water isnt totally clear with a slight greenish hue.
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post #4 of 12 Old 04-09-2013, 10:09 PM
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could be the start of GWA, this was what happened after about a week of too much fert and too much light. just curious does your tank recive any sunlight? what type of lights do you use and how long are they on for? plants? ferts?

what are your nitrates and when is the last time you wiped the inside glass clean?
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post #5 of 12 Old 04-09-2013, 10:34 PM Thread Starter
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I have no idea what the nitrates are... I dont have any plants, I dont know what ferts are and it is exposed to indirect sunlight on the side of the tank, about 4 feet from balcony door. As for lights, I didn't know there were different types?? ANyways they are but they are on from about 7am-10pm. I should probably know this stuff =(
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post #6 of 12 Old 04-10-2013, 04:46 AM
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ok well im just guessing at this point with the info, but with 14 hrs of lights and indirect sunlight without plants using any nutrients from the tank algae has developed to use the light and nutrients that occur naturally in the tank.

I can make a more accurate diagnosis once we figure out nitrates
w/c frequency/amount
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post #7 of 12 Old 04-10-2013, 09:11 AM
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Originally Posted by Nikikim View Post
Any ideas on how to get the water in my 90gal SA Cichlid tank clear? Im very new to fishkeeping. I inherited this tank a few months ago. I vacuum the gravel, do water changes, clean the filters etc. I have two external hang over filters, not exactly sure what they are, I think one is a aquaclear something or another and the other has some kind of flat cartridge that slides down into it. The water is a greenish murky color that I cant ever seem to get clear =(
Kill the lights and stop feeding the fish until the water clears.

then resume with less lighting and feeding and adjust until the tank looks clear and things are healthy.


my .02

maintain Fw and marine system with a strong emphasis on balanced, stabilized system that as much as possible are self substaning.

have maintained FW systems for up to 9 years with descendants from original fish and marine aquariums for up to 8 years.

With no water changes, untreated tap water, inexpensive lighting by first starting the tank with live plants (FW) or macro algae( marine)

see: http://www.tropicalfishkeeping.com/a...-build-295530/
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post #8 of 12 Old 04-10-2013, 10:05 AM
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Kill the lights and stop feeding the fish until the water clears.

then resume with less lighting and feeding and adjust until the tank looks clear and things are healthy.


my .02
This, I'd also cover that side that gets sunlight (black poster board works). The blackout will kill the algae.

SA cichlids you generally can not have many plants with, they'll tear them apart. A few species can work but I don't think they're fast growing ones.

No amount of regular filtration will help you with this particular issue.

As a final note, if you do not own a water test kit I would suggest buying one. The liquid API Master Test Kit is what most people recommend as it works better and is more accurate than test strips.

A UV filter can clear up green water, however that only fixes the symptom and not the problem.
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post #9 of 12 Old 04-10-2013, 10:17 AM
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This, I'd also cover that side that gets sunlight (black poster board works). The blackout will kill the algae.

SA cichlids you generally can not have many plants with, they'll tear them apart. A few species can work but I don't think they're fast growing ones.

No amount of regular filtration will help you with this particular issue.

As a final note, if you do not own a water test kit I would suggest buying one. The liquid API Master Test Kit is what most people recommend as it works better and is more accurate than test strips.

A UV filter can clear up green water, however that only fixes the symptom and not the problem.

Some people actually do use plants with Cichlids. But keep the plants in some kind of refugium (even just a simple partition) to keep the fish and plants seperate.


The underlying problem is that your fish are producing plant nutrients which cannot be removed at normal water change levels. Like 10% a week or so. Some do maintain "open" system where fresh water is constantly replacing the tank at the 100% changes per day level. Those system also are totally dependant on the quality of the water source.

So to me what would be best is to increase the nutrient consumers to prevent the algae problems. In planted tanks killing the lights allows the green water to clear up (die off) faster then the plants then adjusting lighting and feeding helps keep the tank in balance in the future.


my .02

maintain Fw and marine system with a strong emphasis on balanced, stabilized system that as much as possible are self substaning.

have maintained FW systems for up to 9 years with descendants from original fish and marine aquariums for up to 8 years.

With no water changes, untreated tap water, inexpensive lighting by first starting the tank with live plants (FW) or macro algae( marine)

see: http://www.tropicalfishkeeping.com/a...-build-295530/
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post #10 of 12 Old 04-10-2013, 02:33 PM
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Quote:
Originally Posted by Geomancer View Post
. The liquid API Master Test Kit is what most people recommend as it works better and is more accurate than test strips
not true, there is no factual evidence to support that strips are more accurate then liquid or vice versa, all comes down to user perception ^^

Last edited by AbbeysDad; 04-10-2013 at 03:31 PM. Reason: fixed broken quote
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