as long as its treated as many as you want just as long as your adding meaning doing a partial water change not a full water change. but to keep it on the safe side never change more than half the tanks water at a time.
They can be out of water for a minute or two without much trouble.
removing too much water from aquifers can result in subsidence because the
None is. A good purifier removes only minerals, impurities, and pollutants from the water, without removing any of the water.
Yes it is inhumane to keep any fish in a tank without a filter if you do not want to put the effort into changing the water frequently. Fish can be kept without if the water is changed regularly, but maintaining the correct water parpmeters is hard. As they will die if the water is not changed regularly a filter must be used if you don't want to put as much time and effort in. IT IS EASIER TO KEEP FISH IN A TANK WITH A FILTER THAN ONE WITHOUT
It depends on the fish.
Place the 12 sided figure into the graduated cylinder, then fill the cylinder with water. Take note of how high the water level is (W1) . Fish out the 12 sided figure without removing much of the water. Take note of how high the water level is now (W2). The volume of the 12 sided object equals the difference in water level (W1 - W2).
Depends how much. If there were several gallons without a sufficient quantity of water to dilute it, then yes.
Start by removing as much of the pollen as you can without water- shake it out outside or scrape any chunks of pollen. Then pretreat the stain with OxyClean or Shout. Then wash the clothes in hot water.
more fish live in the sea water because how much sea water there is
Fish don't swallow water they live in it
Use a vacuum syphon, available from any fish store. Gently vacuum out the debris from the bottom. Built up food and waste can cause too much ammonia in the water and can kill your fish.
as much as the fish.