Originally Posted by Grassy_Aggron
Yeah, I wasn't sure if Ice was not effective on Ice or not XD
Ice is the only type that Ice resists, unfortunately.
But to answer the question, yes, I always teach an Ice type move to my Water type. Whether it's Ice Beam or Blizzard, I don't really care. It gets the job done of owning Dragon types my Grass and Bug types fear. D: