How do you deal with algae outbreaks in large aquarium fish tanks?

Here are a few things you can do to deal with algae blooms in aquarium big fish tanks:
Physical removal: This is the most direct and effective method in the early stages of algae growth. Use algae scrapers, suction cups and other tools to remove most algae. For algae that are difficult to remove, such as filamentous algae, you can try to fish them out with your hands or tools, but be careful not to cause harm to the organisms in the aquarium.
Increased water flow: Increased water flow helps reduce the accumulation and growth of algae. This can be achieved by adding a water pump and improving the internal layout of the aquarium.
Improve water quality: Deteriorating water quality is one of the main causes of algae blooms. Strengthen water quality monitoring and management, regularly replace the water in the aquarium, and keep the water clean and fresh. At the same time, it is necessary to control the degree of eutrophication of water bodies and reduce the input of external nutrients, such as reducing the use of fertilizers and pesticides, and preventing rivers from directly inputting nutrient-rich sewage into water bodies.
Biological Control: Introducing natural enemies of algae, such as certain zooplankton and fish, can help control algae populations. For example, zebra snails, apple snails, giant algae shrimps, etc. are all effective biological algaecides.
Adjust lighting and lighting time: Excessive lighting or lighting for too long will promote the growth of algae. Therefore, it is necessary to adjust the light intensity and lighting time reasonably to give plants the light they need for normal photosynthesis.
Control Fertilizer Use: Excessive fertilizer is also a cause of algae blooms. During the breeding process, the amount of fertilizer used must be reasonably controlled to avoid excessive use that may lead to eutrophication of the water body.
Please note that when dealing with algae outbreaks, you must choose the appropriate method according to the specific situation and follow scientific, reasonable, and safe principles. At the same time, the aquarium should be cleaned and maintained regularly to maintain the health and stability of the water body.