Quote Originally Posted by BabyBetta mom
I keep the water that is waiting in a pitcher that has a lid, so nothing gets in there. Bought the pitcher specifically for fish care, so it has never had anything else in it.
~BabyBetta mom
Tiari has given very good advice - you should also know that there is no need to keep water waiting in a pitcher - once water conditioner is added, it instantly removes chlorine. Very smart to use a pitcher just for the fish.

Your job until you can upgrade to a larger tank is to keep ammonia out of the bettas environment - this is done by frequent water changes, cleaning out any uneaten food right away so it doesn't rot and trying to maintain water temp.

There is also no need to add salt - salt is generally used to treat specific illnesses.