My friend just got a betta for her daughter that she is keeping in a fish bowl. Would she still need to use a water conditioner if kept in a bowl?
ThanksYep. Water is water. And so is all the stuff that gets put into it.
If you can gently encourage your friend to get a sponge filter and a small heater, please do.
I know! I haveThen your friend should prepare for a sick betta. Giving a fish poor water conditions stresses the fish and causes all sorts of problems.