The most common reason for aquarium algae is excess amounts of lighting. It can also be caused by having too much nutrients in the water. You should first manually clean and remove the aquarium algae, and try to figure out what the cause of it was a lot of fish keepers try to fix the aquarium algae issue by getting a catfish. Most of the time this is just going to add more problems to the equation in your fish tank.

Products:
Live Plants https://brsfresh.com/plants
Aquascaping https://brsfresh.com/decor
Tanks & Kits https://brsfresh.com/tanks
CO2 Kits https://brsfresh.com/co2
Fertilizers https://brsfresh.com/fertilizers

The common catfish that is known as an algae eater is the Pleco. Adding a Pleco catfish to your fish tank could result in the algae being decreased, but more poop being added to your fish tank. Most people are unaware of how much these catfish poop and it can completely take over your fish tank within a couple days.