The highest level of waste compounds can prove to be dangerous for the fish so you need to ensure that the nitrate levels of the aquarium are below 40 ppm nitrates.
Use an algae scraper to scrub the walls of the tank so that the fish can have a clear view.
It is necessary to remove the dead leaves and plants from the aquarium along with trimming the overgrown plants.
Aquarium heaters and filters should not be run in dry air so ensure to turn off the equipment before removing water.
Vacuum approximately one-third of the substrate along with the removal of any plants or decorations to remove the debris underneath them.
Filters collect fish waste so it is necessary to regularly clean the filter to maintain the hygiene of the aquarium.
Refill the fresh and clean water in the tank according to the temperature that matches the temperature of the existing aquarium water.
Wipe the glass of the aquarium from outside for a clear view.
Ensure the quantity of food you give to your fish should not high as the food not eaten within 5-10 minutes can pollute the water of the aquarium.
Props such as rocks, castles, logs, sunken ships, and many more should be cleaned regularly as they can be covered with algae with time.