An estimated 150,000 people in the United States are diagnosed with Spinocerebellar Ataxia. SCA's are the largest group of this hereditary, progressive, degenerative and often fatal neurodegenerative disorder. There is no known effective treatment or cure.Spinocerebellar Ataxia can affect anyone of any age.pinocerebellar ataxia (SCA) is one of a group of genetic disorders characterized by slowly progressive incoordination of gait and is often associated with poor coordination of hands, speech, and eye movements.
A: As a general guideline, a monthly 25% water change is recommended. However, smaller, more frequent water changes (15-20% every 1-2 weeks) are preferable for heavily stocked aquariums or aquariums with large fish. Routine water changes have always been a basic aspect of aquarium maintenance.
1 This will allow the temperature of the water in the bag to come closer to that of the tank.  After the bag has been floating for 30 minutes, open the bag and add about one cup of aquarium water every 10 minutes, until the volume of water in the bag is doubled.