Monday, May 24, 2010

I have green algae in the water of my fish tank. What can I do to get rid of it?

I have tried the algae gone tablets and they have not worked at all. Any help is appreciated. Thanks.
Answers:
Alge grows for a couple of reasons and can be controlled in a number of ways.
you may be getting too much light (sunlight or tank light)
and too much nitrate in the water.
too much nitrate be caused from overfeeding.

1st. scrap the alge off the glass. (dont use chemicals, you already know they dont work well)

2nd. do a water change at least once a week if your tank is less than 20 gallons (at this point i would do a 20% waterchange every three or 4 days for 2 weeks

3rd cover the sides of the tank with dark colored paper if the tank is setting anywhere it can get sunlight through the glass.

4th. Put some plants in the tank (real ones) they will use any nitrate in the water as fertilizer. (this is NOT mandatory)

5th if your tank is not getting direct sunlight the excess light is coming from your display lights.
don't run the lights longer than 3 1/2 hours at a time unless you are away longer than that. Alge requires 4 hours of light before it can begin photosynthesis and regular plants use light immediatly so if your lights are off for a couple of hours it will not affect the plants although they will require 10 - 12 hrs of light a day.

6th: get an alge eater if possible (a loach will do but does not always get along with other fish) a plecostomus is the usual fish that people get for this purpose but they dont always eat alge and can grow too large for a small tank. i have a couple of lemon snails that clean up excess food and eat alge.
Algae happens when your tank is getting too much direct sun light, so first of all, you need to consider moving your tank from it's current position to a more shaded part of the room, clear as much algae off as you can, perhaps do a water change, and I suggest get a couple of algae eating fish, chinese catfish, bristlenose catfish they are all great at lnaturally cleaning algae from tanks. If you are using tablets and they are not working it's because they are but the source hasn't been removed, move your tank and then treat the water, but if your moving the tank, you'll have to change the water anyway to move it. Once it's in the position you like, keep an eye on it and use the tablets when algae naturally builds - which shouldnt be as quick as it use to. Good luck
maybe a good cleaning of everything weekly. even the rocks.
Make regular water changes in your tank, make sure your filters are working. I would not recommend the tablets. Good Luck
Either use a product specifically designed to remove algae, but be careful of this because you're not suppose to use it with scale-less fish. If you have scale-less fish just get a plechostomus they're only like six bucks at the pet store!
macro algaes gain nutrients from organic waste in your tank. if its a salt water tank, i definitely would not put tablets into to "cure" algae blooms.they will kill many of the living things you want to keep.
go to your local pet store and ask. Also most good pet stores will test your water for you so bring a sample in a sterile container.
If you're refering to those greenish water type of algae. There is a few things you could do. Perform a complete water change if possible. (Mandatory before next steps)

2. If you use artifical light, you could reduce wattage or "lights-on" duration. If the lighting is from sunlight, try to cover the side(s) of the tank from the sunlight. If possible move the tank away from the sunlight.

3. Next do more routine water change (frequency) or bigger % of volume during water change (quanitity).

4. If the above don't work, you can go to the aquarium that sells aquatic product and ask for a ultra violet clarifier(UVC) biological filtration unit which should get the job done. Eg. Jebao Biological Filters.

Hopes this helps.
you have too much light - cover the back of your tank, move it away from the window and turn off the light during the day and when you go to bed at night (the fish don't need it)
the algae will go away with lower light source
Sunlight or too strong daylight is falling on ur tank.
Green algae is good for most fish but unfortunately it spoils the show.
Change the position of ur fish tank away from window.

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