Green water again!!

avoxo

FORE!!!!!!!!!!!
Jan 25, 2003
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North Providence, RI
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I thought I had this green water thing nipped in the bud about a year ago but I still have it. Last year I posted about the pea soup algae and found out the ph regulator was causing the problem. I have since stopped using the stuff but still continue to struggle with it. Now the water does not get complete green (like before) to the point were you could not see the fish in the tank but it always has a green hue to it.

Tank is in the basement and gets no sunlight what so ever. Tank light 40-watt bulb, is only on when I am on the computer. I do 25%-30% water changes every 5-7 days. Feed two 3-4 inch goldfish lightly every other day. Only additive that I use is Prime for my water conditioner.

Are there any tests that I could do to try and find out what is wrong?

Thanks
 
How big is the tank?
 
The tank is a 55-gallon; I do not keep the lights on any longer than 1 hour or 2. One thing that I noticed is the have an Emperor 400 and the bio wheels are completely green. Could this be causing the tank to keep its green hue.
 
Usually it is caused by excess waste and new lighting. Otherwise if you had old lighting (like mine that is 16 yrs old), you would just get brown algae. Why do you give your fish such a little amount of light time? Mine are on from 8:30-10:30 every day. Goldfish are messy lil buggers, which I am sure you have noticed, so you would have to do water changes and siphoning quite often to get the excess waste down to a comfortable level. Maybe you need a good pleco or cat fish?
 
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