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If it is a tropical tank then about 12 hours on and the same off because the fish (and plants) come from the tropics where the days and nights do not vary much. If the tank is coldwater then it depends on what you want. You could have the same day length as is happening where you live. It's up to you.
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∙ 14y ago
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How long can a salt water fish live in just plain water?
Salt water fish should not be kept in fresh water. I dont how long they will survive but you shouldnt keep them in fresh water at all. If you have an emergency and you need to put them in fresh water, try to keep them in there for as short of a time as possible
How long will it take a quarter to corrode or rust in fresh water?
How long will it t take a quarter to rust in fresh water
Does Long Island Sound contain salt water or fresh water?
The Long Island Sound contains both fresh and salt water because it is an estuary.
What is the largest body of fresh water in the water?
Long Pond
How long will a leopard puffer fish live in fresh water?
They are from tidal eastuarys in the tropics and so are capable of handling both sea and fresh water. They should be OK for a couple of years or so provided there is at least some salt in the water.
What will happen when animal cells are in fresh water for a long time?
When animal cells are in fresh water for a long time cytolosis occurs and red blood cells explode.
How long can salt water fish stay alive on fresh water?
4
Can a manatee survive in fresh water and salt water?
The manatee can live in salt or fresh water. But if the manatee is in salt water too long it needs to find salt water to drink
How long should you coock gnocchi for?
If it is fresh, 3-5 minutes in boiling, salted water. If dried or frozen, 10-12 minutes.
Are red tailed sharks fresh water?
Yes. Red Tailed Sharks are fresh water.
What keeps water fresh for long time?
Hydrogen + cholrine
How long do fresh water seasons last?
100 years
