dicoloration

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catfishkemp

Feeder Fish
MFK Member
Dec 22, 2011
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Cedar Rapids, Iowa
I have had a 55 gallon tank set up for about two years now. I only have about 5 fish in it and each are about 4 inches. so its not over populated. I have 4 filters going to it. And I have a UV algae killer hooked up to it as well. My question is. no matter what i do to it and how often i clean it. It ALWAYS has a light yellowish-green color to the water... How do I get rid of it?!
 
Are you sure it is the water and not the lights?

What are your water test parameters?
 
High iron content in glass gives it a green hue, or so I've heard
 
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