which water is suitable for aqarium to keep fishes?

i want to keep an aqarium in my house so give suggestions whether to use hard or soft water or water containing chlorine or without chlorine so out of this which type of water do you think is suitable for fishes

Answers:
There are fish that prefer hard or soft water, water at different PH levels... Different temperatures... You have to read about the particular fish you are interested in keeping, and how to achieve the water conditions best for them.

No fish I know of prefer chlorine! It can be neutralized by a water treatment available at pet stores though.

Other answers:
WITHOUT Chlorine!

Distilled or Spring Water works fine.
WITHOUT Chlorine!

Distilled or Spring Water works fine.
even if u do use chlorine water there's a solution u get in fish shops to remove the chlorine which needs to be added around 4-5 minutes before putting ur fishes in.
First NO chlorine. In fact it would be good if you stayed out of chlorinated water too!

If you use hard water get a conditioner treatment for your water at the pet store. In fact try to use a good filtered water.

Then its really about maintaining PH levels, low ammonia, temperatures that apply to the fish you want.
Chlorine is suitable for swimming pools not aquarium buddy....

What you need actually is mineral water, not the one we drink from bottle but natural water. Its pretty hard to get natural water in the city so what you do is;

Fill you aquarium up with normal tap water, fill the medicine which is about 15 drops (you'll find it at the aquarium store) and leave it for 3 hours, then put your fishes in.
Well, first you put the plain water in there, and then must put a conditioner that removes the chlorine. You don't want chlorine. If you get Tropical fish, then you will need a heater, the have them and can tell you about that at the fish store. Do not mix Tropical and gold fish. Also there are some fish that do not like other fish, so you must discuss this also with the pet store employee. I do not know what kind or how big of an aquarium you want, but it is not cheap. If you want to just start out and see how it goes, you can get a 20 gal., and just a few gold fish, and go from there. If you want a large aquarium, this takes a professional to set it, and maintain it. Those fish are very large and take special treatment. My sister had one, and someone came in and took care of the fish. I have several 20 gal. and it is easy. The gold fish are messier, but they live longer. You have to have a filter, pump to give oxygen, rocks for the bottom, food, etc. I suggest to just discuss all of this with the sales person at the pet store. Good luck. I love all my fish, I have 20, and they are Tropical in one tank, and different kinds of gold fish, which are big now. One very smart Chiclid, South Am.Red Parrot
who is also very big and very smart. She reminds me of Nemo. They all eat different food also.
Get a bottle of anti-chlorine solution, it will neutralizs freah tap water....
Water without chlorine is necessary. Tap water will usually work fine with dechlorinating additives you can get from any pet store... so long as you don't have copper pipes.

While you're down there, you might as well get a water testing kit that lets you test for hardness, pH, and nitrates. It's easiest to use your tap water as it is, although you can get an RO, and make the water match whatever kinds of fish you like.

Hard water with a high pH is great for cichlids, snails, most catfish, and most shellfish. Guppies, swords, mollies, and platies will also usually tolerate it well, and most tropical fish will live in it provided you clean regularly.

Soft water with a low pH is great for sucker fish, corydoras, loaches, barbs, tetras, raspboras, discus, bettas, and most live plants. Guppies, swords, mollies, and platies will also usually tolerate it well, and most cichlids, catfish, shellfish, and snails will live in it provided you clean regularly.

Water with a mid-range value is great for Mollies, Swords, and platies.Other fish will tolerate it well, and water of this type is easiest to change with chemical stuff.

With saltwater, you'll be doing so much to the water that what it's like out of the tap doesn't much matter, except for nitrates.

Tapwater with high nitrates means that you will need to change the water FAR more often to keep any kind of fish. Saltwater fishes, and fishes that prefer tropical conditions tend to do worse in this sort of water, and if you have very high nitrates, you may as well just get the RO, or something to start with pure water and add stuff to suit your needs.

You might also consider the sorts of fishes you like. Saltwater tanks tend to be a LOT more expensive to set up, and a little more expensive to keep running, but the fishes you can keep are also a lot weirder, and more colorful. You'll need a bubble skimmer for a good saltwater setup, and a lot of powerheads are generally recommended.

A planted aquarium can be a real pretty sight to see as well. For this, you'll want more gravel, and filters that don't agitate the surface much (no bubbling, no water falls, and a UGF is not recommended) as well as better lighting. You'll also need an algae scraper, as the best algae eaters like to chew up your plants. Planted aquariums tend to look more natural than ones with plastic divers and such. It's an addiction, and keeping the leaves green can be trouble, so watch what you start.

If you have a lot of aquarium, you might try leaving the middle of the tank pretty much bare, with just a few rocks and territorial species on the corners, and lots of schooling fish serving as decoration in the middle. With more fish, maxing out filtration is a major concern to be dealt with in a serious fashion.
Read a book about the care of aquarium fish. You obviously know nothing. I don't even fill my tanks with tap water because it is piped through copper tubing which is poisonous to certain marine species.
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