The enemy to any freshwater fish, chlorine is very toxic to the fish. Use water conditioners to remove it. Click here to see pictures and info. Click here to see pictures and info. Click here to see pictures and info.
Water hardness is expressed in degrees of hardness.
See my Diseases table . A way of making sure that water doesn't travel along cables to an electrical outlets. For more details, see Hints and Tips. With no filtration, there would be no aquarium. This process removes waste materials from aquarium water.