Mange in Fox and Coyote. Sarcoptic mange is probably the biggest killer of red foxes and coyotes in New Jersey. It is a highly contagious disease and can be easily spread. It is caused by an infestation of Sarcoptes scabiei canis, a burrowing mite, causing intense itching from an allergic reaction to the mite and resulting in hair loss.
Chemically, the difference between the two is that hard water contains calcium and magnesium ions, while soft water does not. Soft water is easier to lather with than hard water is. Continue Reading.
Hard swimming pool water. There are commercial pool products to remove hardness or calcium levels. They can be used once off if the hardness is an accumulation, or can be added weekly if the fill water is very hard. Keeping the pH a little low (pH 7.0) can prevent scale problems associated with hard water.