Algae Question - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 8 Old 04-09-2008, 10:52 PM Thread Starter
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Algae Question

I recently received my new lighting for my tank to replace the crappy one from the 'aquarium kit' that was only 15w for a 20g.
Now I have 40w and a lot more algae.

I got three otos to help get rid of it, and they seem to be constantly scurrying around eating but it's not really helping.

I don't want to use chemicals to get rid of it... any suggestions?

thanks in advance!
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post #2 of 8 Old 04-09-2008, 11:33 PM
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Are you leaving the new light on 24/7? If so this will create more algae, giving it the right conditions to thrive. Make sure your light is on maximum 12 hours a day...
Hope it works out for you!

Light travels faster than sound. This is why some people appear bright until you hear them speak.
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post #3 of 8 Old 04-09-2008, 11:48 PM Thread Starter
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Lol no I don't leave it on 24/7, I turn it on in the mornings before work, come home and it's on for a few more hours, feed the fishies then it's lights out!

has anyone had luck with otos as good algae eaters? is there another smaller fish (non pleco) that would do the trick?

I plan on keeping the otos even if they don't clean that well because they are amusing :)
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post #4 of 8 Old 04-10-2008, 02:42 AM
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Oto's, when in a group of > 5 are the best algae eaters around...
They are very delicate as you might have experienced yourself, but are well worth it in the end once you get to see which of your otos are stronger and will survive in the long term.
You could also try bristlenose catfish (Scientific name: Ancistrus). Clean great, Look awesome.

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post #5 of 8 Old 04-10-2008, 05:22 AM
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How old is the tank and what kind of algae? If it's brown it may be diatoms and will go away by itself. Pretty much everything else can be eaten, I love my cherry shrimp for that but you may have tank inhabitants that will eat them.

This is the song that never ends...
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post #6 of 8 Old 04-10-2008, 12:48 PM
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Otos will eat some but even when I had 6 of them they didn't take care of any major amounts of algae. Cherry barbs eat algae, so go algae eating sharks but not a good option for the tank.

Nerite snails are actually one of the best I have heard of for eating algae and Mystery snails will eat it too. There is the Colombian Ramshorn which is a good algae eater but hard to find right now. They do lay a lot oof eggs but the egg cluisters are so large they are easy to remove and the snails only lay eggs when fairly large. When I had them they ate a lot of the algae I had.
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post #7 of 8 Old 04-10-2008, 05:48 PM
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I'd recommend doing a DIY Co2 for the tank. I'm guessing you have plenty of nutrients/light, but the plants can't grow cuz there's not enough co2, so the algae is taking over.
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post #8 of 8 Old 04-11-2008, 11:44 PM Thread Starter
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Thanks for all the info guys :)
The algae is green and all over the walls of the tank and rocks. I got some ghost shrimp today to see if they would help as well.

The ottos seem to be doing great two of them I received were small and skinny but they look to be fattening up well :)
I think the bristlenose plecs are ugly :( and decided i didn't want to get any plecs for this tank.

Other than that I added another plant, and my other bulbs are growing out more so hopefully when the plants get big they will start to cancel out the algae?

only time will tell I suppose!
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