one time a month
Every month.
For fish tanks, weekly, at a minimum.
10% water changes every week and 25% water changes every month is standard for all size tanks.
Water changes should be performed in fish tanks every 1-2 weeks to maintain a healthy aquatic environment for the fish.
I would use a cleaning tube or use a bowl or something
It is recommended to change the water in a fish bowl at least once a week to maintain a healthy environment for your fish.
You should change the water in your fish tank every 1-2 weeks to maintain a healthy environment for your fish.
It sounds like your fish has fungus over its eyes and skin. That indicates terrible water conditions. All fish need to have clean water. Change the water! Successfull fish keepers change at least a part of a tanks water weekly.
50 cm
They are fish tanks that have ocean water in them. The ocean water is almost always synthetic but can be real. People keep salt water fish, corals and many other things in these types of tanks.
For filtering aquarium water and fish tanks for healthy fish. This pet supply offers advanced pumping of the water and is not dangerous for fish reliably cleansing multiple fish tanks of varying size.
they ate fish for food and had sex