"fish bowls" are not designed for fish regardless of how they are marketed; you should not keep fish in anything smaller than a 10 gallon tank.
When you are changing the water in a fish bowl, you have to empty cup ot bowl with water in it. Then, put it into clean water.
9 times
physical change
No. It is a physical change.
9.
By all means necessary, a dog should always have a bowl of fresh water. Changing the water is necessary after every time the dog has it's drinking session.
to change your betas water, you have to prepare water 24 hours before. you fill up a gallon of water and put a thing called Prime. Then you shake it up. in 24 hours, take the beta out of the bowl or whatever it is in. Usually i put mine in a cup. rinse the old water out and rinse the bowl or whatever it is. Pour the new water in and you have a clean bowl or whatever.
A geckos water bowl should consist of clean water at all times. This means the bowl must be changed and clean every day. In most cases a water bowl will evaporate if a heating lamp is present but if not, that water will turn stale, possibly grow mold and is possible to make your animal ill. The animals habitat should be cleaned monthly at a minimal.
Never. You should change the water a few times a week if the bowl is not filtered, but do't completely clean the blwl or wyou will destroy the benifical bacteria that converts ammonia and nitrite to nitrate and o2
counting 0-0 i believe it is twenty times.
you should change it every week so it will always be clean.
If the animals react to water, you should be able to change their behaviors quickly. In the bowl with some periwinkles, tilt the bowl and place about a cup of seawater in it. Slowly right the bowl until the winkles are covered with water. What do they do? Tilt the bowl again to uncover the winkles. Does their behavior change? If it does change, how long does it take for them to move? Be sure to check the tides if your previous experiment showed that they move up and down with the tides.