algae

fishmanuk

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ive noticed that ive got small spots of algae on the front of the glass and it started to form on the lid and tubes of lights, is it bad for the fish or what,i scraped it off about a week ago and its come back :sick:
 
Agreed. Although not great to look at or through it does help in the overall quality of the environment in the tank and is a good source of food for some as well. I always leave the algae on the back glass of the tank.
 
You have algae on the lights?

This means that you have to get a cover for these lights to make sure there isn't a fire or electric shock.

Algae is a good thing. If the problem gets worse, the best thing to do is to cut down on the amount of nitrates in the tank and the number of fish and amount of food. Lower light or adding lots of plants could also help.

Livebearers and algae eaters would enjoy nibbling on the algae, but don't expect them to solve the problem if it becomes a problem.
 
how long are you leaving your lights on?

is the tank standing in direct sunglight?
 
Algae on the light tubes is a Bad Thing, as temp said. That means your lights are exposed to water, which you really should fix.

And, if the algae you're talking about happens to be distinct, non-furry green "dots" that are very difficult to remove, then it's probably what's called "green spot algae". If this isn't the stuff, ignore the rest of this post. :)

If so, then I'd add this, from my own experience:

* I don't think any fish or snails will eat it.

* I usually see this kind of algae in newer tanks (within the first 2-4 months after cycling). Most of it usually goes away eventually; at least the stuff on the glass doesn't come back after scraping -- the spots on older plant leaves are there to stay without intervention.

* When it starts to "go away", that's the time to keep an eagle eye out for other forms of algae starting to develop. It's almost as if the green spot algae is the "first green algae in the algae cycle of a new tank".
 

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