Is rainwater safe for freshwater fish?

It depends on your location. I say test it first for its pH. Rainwater is usually the best water for aquarium use, it has less chemicals than tap water, yet has the necessary nutrients and electrolytes that are not found in RO or Distilled water. If pH is too low, lower than 6, I assume it is acid rain, from dissolved sulfur dioxide and nitrogen oxide. Just use a water conditioner from the pet store to remove chlorine chloramine and other toxic substances. Hope this helps.

in some cases yes and in some cases no. Rainwater is safe if the conditions in it r safe, rainwater is naturally usually acidic, which is not harmful to fish. So it might b safe to put it in aquarium water. But due to increasing pollution in the world, the polluted gases dissolve in the rain and makes it more acidic and unhealthy. So it might harm ur fish. It would b better to test the rainwater for its pH, if its around 6-7 then its safe to put it on water. And before putting it boil it for evaporation of harmful gases and later cool it and put water conditioner in it. That way it would b completely safe.

in most conditions it is not. it contains contaminations from air and the surface that you collect water on it (probably a roof). then it contains way low dissolved salts and minerals to support life for fish and other aquatic life. other important factor is the pH that you cannot really control in rain water and can endanger fish's life seriously. of course if you have a lab nad equipment you can fix all these parameters, but what is the point if you can safely use easily conditioned tap water (in most areas).

this relies upon a lot on the style of fish you will save. crushed coral, or argonite based sands are very intense in carbonates. this would ultimately influence the hardness of the water via leaching out carbonates into the tank. it fairly is not a situation in case you have fish that like demanding water, which includes maximum brackish fish, and a brilliant type of of the african cichlids. in spite of the incontrovertible fact that in case you have become softwater loving fish which includes Discus, tetra's, or maximum south/proper american cichlids then saltwater sand isn't an outstanding decision on your tank.

NO, rainwater think about it that water has been in the cycle for ages and its probably picked up loads of nasty chemicals. Dont use it for your tank water

Hope This Helps!

:)

yes it is fine! no water is fresher than rain water...were do u think the fish in the wilds water comes from...i use it for my fish and there in there 5th generation of babys! :O

No it is soft, has no hardiness and contains no essential minerals

Loved this question

no it contains harmful chemicals and acids

I use it for my tanks and i've never had any problems.

But if i were you i'd check the pH first.