evapouration
It will cool down water temperature when by melting down AND it will lift up the water level in the aquarium
Evaporation.
The fish are drinking it. Get rid of the fish
You need to get a water pump and filter for the aquarium at a pet store.
Because the fish need the enough amount of water every day of their lives
The toilet water may not be going down due to a clog in the pipes, a malfunctioning flush mechanism, or a problem with the water level in the tank.
The toilet water may not be going down properly due to a clog in the pipes, a malfunctioning flush mechanism, or a problem with the water level in the tank.
Because some of the water is evaporated into the air. Salt water is evaporated much faster than fresh water.
The ammonia level may still be high after a water change because the beneficial bacteria in the aquarium may not have had enough time to establish and break down the ammonia. It is also possible that the tank is overstocked or overfed, leading to excess ammonia production. Regular water testing and maintenance can help address high ammonia levels in the aquarium.
There should be a line indicating how far they go down in the water
Water leaking at the plug, radiator fluid level going down too fast.
You can do a water change while it is cycling, but that might slow down the process.