no
from petco or from your filter in the sink
yea the can.. sometimes ____________________________________ if u meant the water u buy at stores not from the sink, then YES! when i first got my fish, i used to use gallon water then i got water conditioner and sink water.
fresh water
i think it is ppeople because they float in salt water and sink in fresh water.
Fresh water...
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1 inch of body length per gallon of water.
When a fish dies, its body becomes heavier due to the gases produced during decomposition. This causes the fish to sink to the bottom of the water instead of floating to the surface like live fish.
Salt water is denser than fresh.
If you just barely float in salt water, you will sink in fresh water.
All I do is get water from my kitchen sink for my betta fish, goldfish, and tetras. I do the same for my cleaner fish. They like it a lot. I also sometimes add tap water, but they are fine without it.
An object would sink faster in salt water because salt water is denser than fresh water. The higher density in salt water creates more buoyant force, allowing objects to sink faster than in fresh water.