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Some tropical fish come from hardwater areas (African Rift Lakes Cichlids for example), whereas other fish come from soft water areas (Amazon River Basin fish - most tetras, angelfish, a lot of other fish). Many others come from intermediately hard water areas, for example barbs and rainbows. The best solution in a community tank is to go for moderate hardness, as it will best accomodate most species.
What else can I help you with?
Can fish survive in distilled water?
No, fish cannot survive in distilled water because it lacks essential minerals and nutrients that fish need to survive.
How do narwhals get the food and water they need to survive?
they eat fish and drink water to survive
Can koi fish live in soft water?
Koi need water that is on the hard side of the scale in order to do well although they can survive in reasonabley soft water.
How can a fish adapt in a lake with no water for three months?
It cant, fish need water to survive.
Why can't a swan survive in a deciduous forest?
they need water to survive and they also need food (fish).
Why does a fish die when it is out of water?
because like us they need water to live it's like our air without air we couldn''t survive. So fish need water to survive because it is a basic need
Why is it important for ocean's to survive?
so we can have water and we need to survive and also eat fish
Do most tropical fish need hard or soft water to survive?
While there are some species that need very soft water (Discus below 4 dGH) and others that need very hard water (Malawi Cichlids above 12dGH) the vast majority of species will cope with medium hard/soft water. Anywhere between 6 to 10 dGH is OK for most fish.
Do tropical fish need salt water to survive?
yes
Do dolpinfish have H2O?
H2O is the compound water, and fish need water to survive.
What do fish need to survive in a tank?
Fish need clean water, appropriate temperature, oxygen, proper nutrition, and space to swim in order to survive in a tank.
Why do fish live in pond?
They need water Fish can not process oxygen the same way mammels do. They get their oxygen throu molecules in the water.
