Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Green Tank Water (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/green-tank-water-16855/)

merey61 08-06-2008 05:49 AM

Green Tank Water
 
I've been at it for 3 weeks now, my tank water is green. Here's a copy of a question i posted 2 weeks ago on yahoo answers.
Quote:

my tank has been running for about 6 months now, i only have one female guppy and lots of fry. my tank has been cloudy for 1 1/2 weeks. 4 days ago i went to the pet shop and they told me not to feed the fish for a week and do a 1/4 water change in the morning and night. this is what i have been doing, there was a big improvement but my fish tank is still cloudy. two days ago i bought a gravel vacuum and have been using that to take out the water ever since, it nearly went clear teh first time i used it, but the water went back to the cloudynes it was before i bought the vacuum. i haven't been fedding my fish but there is a plant it there, its growing slower than usual and i don't think the fish have been eating it, but they have been doing lots of poops
Here are the differences/additional info.
1 female guppy
5 fry(3 weeks old)
1 fry (2 days old)
I am feeding my fish now, the fry aren't pooping as much and there are no longer any plants in my tank.
its a 20L Aqua Mode 300.

Please help, its stressing me out, and probably lollipop(my female guppy).

1077 08-06-2008 06:59 AM

You might try feeding only once per day. You only have seven? fish so a very small pinch of food should provide enough. Perform twenty percent water changes weekly with dechlorinator for new water. vaccum a small area of the gravel at each water change ,a different area each time. Reduce lighting in the aquarium to three or four hours per day unless you have live plants, Move aquarium away from window if that is where it is located. And you should make sure filters are replaced when they begin to slow the flow of water . These should help your situation. Your tank did not get in this condition overnight and there is no overnight cure. By that I mean I would resist the urge to use chemicals in the tank to try and clear the problem. :)

PDXfishy 08-06-2008 10:11 AM

Green water, while ugly, is not dangerous to fish or plants. It usually takes care of itselft but can take a while (several weeks). Do what 1077 is suggesting. Water changes help only to some (small) extent though; the only way to get rid of the stuff immediately would be a UV sterilizer.

merey61 08-07-2008 12:34 AM

thanks guys, i'll go back to doing the weekly water changes, and i'll leave the light on less. if my water isn't better in two weeks i'll tell you.

merey61 08-07-2008 01:55 AM

Sorry for the double post but i'm not allowed to edit.
here are some photo's of my fish tank.

Light's off:
http://img233.imageshack.us/img233/4916/imgp0470ng6.jpghttp://img518.imageshack.us/img518/7966/imgp0469mp6.jpg
http://img301.imageshack.us/img301/6399/imgp0472uz3.jpg
Lights On:
http://img233.imageshack.us/img233/9991/imgp0468vf2.jpg
http://img518.imageshack.us/img518/4654/imgp0471nq6.jpgthat is a bristlenose catfish, i have two of them
http://img301.imageshack.us/img301/6399/imgp0472uz3.jpg
http://img119.imageshack.us/img119/3009/imgp0473sx9.jpg
http://img212.imageshack.us/img212/6660/imgp0474xo4.jpg

http://img233.imageshack.us/img233/4587/imgp0475cc3.jpgthis is the mother and a fry
http://img518.imageshack.us/img518/7408/imgp0476eb5.jpgThese are the older fry.
http://img301.imageshack.us/img301/4771/imgp0478gh0.jpg

Top View:
http://img119.imageshack.us/img119/8481/imgp0479fj2.jpg

I tried to take pics of my fry but they were to fast, the mother wasn't as shy, which isn't like her, she normally runs away from me, but she hasn't lately.

onefish2fish 08-07-2008 03:18 AM

im suprised you know how many fry are in that tank.

merey61 08-07-2008 04:44 AM

Quote:

Originally Posted by onefish2fish
im suprised you know how many fry are in that tank.

i counted them after i did the water change, because the water was clear, i haven't done a water change for 2 days because i thought that the mother was giving birth and i don't want to risk sucking up the babies.

PS: I just found a dead fry, it was the biggest of them all.

1077 08-07-2008 04:57 AM

After looking at the photos of your tank a couple things come to mind. The first being your filter may need replaced and the second , Is it possible that paint or coating on decoration is leaching off and into the water?

merey61 08-07-2008 06:35 PM

Quote:

Originally Posted by 1077
After looking at the photos of your tank a couple things come to mind. The first being your filter may need replaced and the second , Is it possible that paint or coating on decoration is leaching off and into the water?

there is paint comming off one of the decorations, but not the other. But it's comming off because a few months ago the guppies use to eat it, not the paint but around the edges. the castle's paint hasn't really changed.

I'm just curious. why would i need to change the filter? ps: my filter is an underground filter

jeaninel 08-07-2008 10:13 PM

Ughh...I fought with green water in an old 20 gallon I had awhile back. It looked just like your tank. I could hardly see the poor fish. Water changes, algecides, gravel vacs...nothing seemed to help. It kept coming back. Eventually I bought a new filter rated for a 60 gallon tank because the one I had on there was old and a piece of crap. The water cleared right up! I have heard that sometimes green water has to run its course and then will clear up. But the new filter seemed to really help.


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