No. They are fine without salt. You will only be wasting your time and money adding salt and salt is not a miracle product to prevent any disease or issues there is. Stick with water changes, should there be any issues and keep salt away from your tanks unless you are treating for ich.
No. They are fine without salt. You will only be wasting your time and money adding salt and salt is not a miracle product to prevent any disease or issues there is. Stick with water changes, should there be any issues and keep salt away from your tanks unless you are treating for ich.