How to Get Rid of Algae Blooms in Aquariums - Pets

An algae bloom is the cause of the green aquarium water. Basically, we have to figure out why too much algae is growing in your fish tank. We’ll dive into the causes of aggressive algae growth and how to stop it for good.

I desire to run my system without a cover on the fish tank but have it partially covered all the time now to reduce the algae bloom

Controlling aquarium algae starts with identifying the problem. aquarium water with a greenish tint is usually a sign of algae bloom. Two common causes for this are too many nutrients (generally phosphates and/or nitrates), and too much lighting. A high nutrient level is often caused by overfeeding your fish. The excess food falls to the bottom of the tank and decays, releasing phosphates. These phosphates, in turn, lead to excessive algae growth.

How to Stop Algae Blooms - YouTube

Sudden Algae bloom - Fish Tank Green or red slime in the aquarium are bacterial — the dreaded cyanobacteria. Fortunately, I’ve never heard of anyone having cyanobacterial blooms of sufficient strength to cause a fish die-off, but these are the ones that can produce allelopathic chemicals. These algae tend to occur most in tanks that have high mulm concentrations. Many cyanobacteria are able to “fix” their own nitrogen — meaning they don’t need to use nitrate or ammonia in the aquarium. They feed, instead, off of high phosphates.

This video is based on algae blooms growing on top of the water

The cloudy water was a milky white color so I quickly deduced it was a bacterial bloom since an algae bloom usually turns the water green. Bacterial blooms are one of the more common reasons for cloudy water, especially for a new tank such as mine. It occurs when heterotrophic bacteria are blooming rapidly, causing the water to turn white. These bacteria are considered scavengers since they feed off of organic waste in the tank such as fish poop, dead fish, uneaten food and detritus.

Sudden Algae Bloom - Aquarium Advice - Aquarium Forum Community


Usually the result of an algae bloom. Read up on how to . The green cloudy aquarium water will not harm your fish but it is not the most pleasant thing to look at. This happens because of the amount of nutrients and the amount of light entering the aquarium. Your tank water is nutrient rich, which may mean that you're feeding too much, your tank may be overstocked or you're not doing enough water changes or a combination of all the above. The main problems are usually high nitrate and phosphate levels. If you have a saltwater aquarium consider using a and . Avoid placing your aquarium where it could receive direct sunlight. Direct sunlight will add fuel to the fire so to speak and direct sunlight will cause temperature fluctations as well.Still water that's low on oxygen promotes blue-green algae growth. A device that disturbs the surface of your tank's water, like a trickle filter or a decorative fountain, helps better aerate your underwater world. Other devices are available for this purpose too, like airstones and bubble wands, and many are made to look cool. Also, if your gravel or other substrate's getting clogged with gunk, it's not getting enough circulation between the cracks, which promotes algae blooms toward the bottom of the aquarium. Use a substrate vacuum at least every few days. Also, you might be going too heavy on the fish food, leaving leftovers sitting in the substrate; feed your swimmers only as much as they eat without taking food into their mouths and ejecting it, once daily.