Controlling Algae in your Fish Tank
Algae will naturally grow in your aquarium and a small amount is not a problem and can provide food for your fish. When it grows excessively however it will spoil the look of your aquarium and needs to be dealt with to reduce the growth.
Some ways to manage the excessive growth are:
Remove it by hand [...]
Using an Aquarium Gravel Cleaner
In a marine aquarium the decor is particularly important and eye-catching. Using white coral sand as the substrate looks particularly attractive but over time debris will accumulate on the sand and cause the sand to look dirty and off-white. Dirt particles will also lead to the growth of algae.
So you need to regularly clean out [...]