Remove the fish tank decorations that are covered with algae.
Bonus: Learn how to keep algae out of a fish tank by downloading our aquarium maintence tool guide.
Besides fish, other elements that are a part of your tank such as sea salt mixes and food for your fish can lead to excessive nutrient build up in the aquarium which can lead to green algae growth.
If you’re letting your fish stuff themselves to the gills and watching a lot of excess food fall to the floor of the tank or get sucked up by the filter, you are creating two great food sources for algae: fish waste, and waste from decaying fish food. Like plants, algae will thrive on these things.
6 Of The Best Ways To Control Algae In A Fish Tank [Guide]
How do I get rid of algae in my fish tank?
Once aquarium algae starts to overgrow plants, corals and decorations it does make the tank look dirty and can distract from the beauty of your aquarium. Let's talk about the things aquarium algae needs to grow and how to eliminate or reduce these things so we are not constantly scrubbing the tank walls and having to clean the tank instead of viewing our fish, plants and inverts! You can use the info in this algae control article for both and . Some use a sterilizer to fight disease outbreaks in their tanks but they are better at destroying aquarium algae. There are hang on the tank models that are really easy to install too. Get a power head for pumping water into and through the unit and that's it, you're in the business of uv sterilization. Sounds far out doesn't it? Pond keepers may be familiar with the pond UV Sterilizers. These sterilizers are on the expensive side but if you have really expensive fish or corals in your tank they may be worth researching. Also, like all aquarium products, some are better than others. More info on . Get a Phosphate Test Kit. This might be considered one of the most important nutrients for many kinds of aquarium algae growth. Phosphate (PO4) can enter the aquarium from tap water, fish food and supplements. One of the first things you should look at is how much you are feeding the tank. Are you overfeeding? Only give your fish as much food as they will eat in a minute or two. Are you defrosting and draining the juice from the frozen foods you use? These juices could be loaded with phosphates. Are you using food that are low in phosphates? Test them to see for yourself. At minimum, use a bowl to feed frozen foods and tilt the bowl at an angle so the juices drain to the low side and then spoon feed the chunks to the fish. Dispose of the frozen fish food juices down the drain.One key to reducing algae growth is to cut back on what they thrive on: fish food. Feeding your new pets is fun; they begin to almost expect it when they see you coming towards the tank. Watching them swarm towards the surface is entertaining, so much so that you may find yourself wanting to feed them repeatedly, but this should be avoided.