![]() ![]() It is very difficult to get rid of because it cannot be simply scraped or wiped.Ĭlick here to read more about other aquarium invaders. Green water (also known as an algae bloom) – changes the color of water because it suspends in water instead of growing on surfaces.Green algae (growth hair, thread, or spot algae) – completely harmless, easy to remove, they appear at some point in almost any aquarium.Red (beard algae) – one of the most difficult to get rid of, grows on plants.They reproduce and grow extremely fast and are difficult to control. Blue-green algae (also called slime or smear algae) – appears due to too much nitrate and phosphate in tank water and is considered cyanobacteria.They do not look very beautiful, most often appear in new aquariums and disappear over time. Brown algae (also called gravel or silica algae) – are harmless and very easy to remove.These are the most common types and ways to recognize them. Most of them are completely harmless, but there is still that part that is dangerous and difficult to remove. If you notice them in your aquarium, don’t panic right away. The Most Common Types Of Algae in Your Aquariums accumulation of excess nutrients in the water.These are the most common reasons for their occurrence: Therefore, aquariums are an excellent place for their development. So, they will thrive only in an environment that is rich in water, light, and nutrients. Interestingly, they do not thrive in just any kind of environment. The term “algae” is a complex that implies a large number of different organisms. Final Thoughts Algae in Fish Tanks – How and Why?!.The Most Common Types Of Algae in Your Aquariums.When the nutrient level is low, there is very little if any algae growth however, a low-nutrient environment is a problem for growing healthy plants, so the addition of aquatic plant fertilizers may be necessary to keep your plants growing well. Many freshwater hobbyists with brightly lit planted tanks will report that they rarely have to clean algae off the tank walls. Once the bright light system is well established with plants the algae should no longer be a problem. The addition of a small ultraviolet sterilizer to the filtration system will eliminate any persistent green water, but thriving live plants will do the trick just the same. In some cases, the nutrients the algae may be thriving on may be coming from your tap water. ![]() Green water is caused by single-cell algae that are suspended in the water column, thriving on nutrients in the aquarium. Green water algae bloom will sometimes occur on aquariums with bright lighting systems. In some cases, the algae bloom may go away on its own after a month of a new cycling aquarium. Once live plants have established themselves, they will start competing with the algae for nutrients. It is always best to start with fast-growing plants or add fast-growing plants when the aquarium has an algae problem. Algae growth will often be excessive at the beginning of a new aquarium until the tank cycles. Excessive algae growth is not caused by bright light alone, it is caused by excessive nutrients in the aquarium water. Algae are a natural part of the aquarium. Tropical fish and plants available for aquariums are from equatorial areas and typically receive around 12 hours a day of light throughout the year. This makes it unnecessary for hobbyists to make adjustments on complicated timers for the seasons. For these common community aquarium fish, a simple timer will keep the lights on and off at the same time every day.Īquarium specimens that hail from more northern or southern areas will need more or less light depending on the time of year, so fish keepers should consider seasons when switching from day to night lighting. Also if the lights are to be on in the evening for the viewing pleasure of the family, the tank should not be put near direct sunlight, but allowed to be in the dark for approximately 12 hours a day or more.įreshwater hobbyists often worry about adding a bright light to their aquarium and think it will cause an excessive algae outbreak. ![]() These night lights, or moonlights, as they are called, allow the fish keeper to observe nocturnal behavior. To mimic the light available in a species' habitat, aquarium owners can use day and night lighting to approximate the light levels in a natural environment. The species that inhabit aquariums will be impacted in varying degrees by a constant level of light. Vladimir Krivoshiev / EyeEm / Getty Images ![]()
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