yes becuz all it does is clean your water... :)
Yes, your betta water conditioner should be a standard water conditioner that can be used in any fish tank.
No way i use betta condition for my goldfish they seem to love it don't worry
Do not, no matter what put a goldfish and a betta together unless you want the goldfish to die!!!
You should not put a male betta with goldfish's.They are aggressive and will fight with goldfish's goldfish give off ammonia and will kill the Betta's.
Yes. Water conditioners that remove chlorine and ammonia should be used for all fish.
No.
Betta fish are best as a solitary fish and are not compatible with goldfish.
No. They are entirely different species. Goldfish are a coldwater species of carp "Carassius auratus" and the Betta or Siamese fighter is a tropical anabantid "Betta splendens".
no.
No they can't.
goldfish. Definatly goldfish. Or betta
Goldfish dont have to have a filter but they need water conditioner like all fish.Fish can survive without a filter but they are always good to have because you dont have to clean it out as often