Algae is an unwanted problem that can appear in your aquarium if you do not take care of it. There are several different types of algae, each needing its own specific treatment.

You will first need to figure out what kind you have. Most tropical fish tanks have algae dried B to some degree, but if it gets to be an eyesore, that is when you need to deal with it.

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Brown algae are easy to detect. It looks like cloudy brown slime which grows on the bottom and sides of your tank. It usually clings to rocks, gravel, and ornaments. Although, cutting down on the lighting will not help to get rid of this algae, here are a few things you can do:

Reduce the amount of protein in the aquarium: This means reducing the amount of food you feed your fish. These algae is stimulated by protein, so read the directions on your fish food so they get enough without underfeeding them.

Clean the gravel and filter regularly, and change the water often. Green water is a specific form of algae that is free-floating in the water. It can get so bad that it may be hard to even see your fish.

As a general note, clean your tank regularly, change the water often, and keep your aquarium away from direct sunlight. These are just a few good overall preventative measures needed to keep your tank trouble-free. It will take time and you will need to be diligent, but having an attractive, healthy aquarium will be well worth your efforts.