hard water

I live in an apartment with hard city water. My tank gets white calcium deposits all over it on the outside and I would like to know what I can do to prevent this. I can clean it but really want to prevent it. I use water conditioning chemicals with enzymes to get rid of chlorine and other...

Hi everyone! I am a member that just joined the Planted Tank forums. I am not new to the hobby of fish and shrimp keeping but I just had a few questions on this particular type of fish and my water parameters. I recently went to a LFS and purchased 4 Sundadanio axelrodi (did not do prior...