When newborns do have problems with hypothyroidism, the problems may include: 1  Yellowing of the skin and whites of the eyes (jaundice). 2  Frequent choking. 3  A large, protruding tongue.  A puffy appearance to the face.
Check chlorine level in pool water at least daily with a pool testing set and add this product as needed to maintain 0.6 to 1.0 ppm available chlorine. One pint of Clorox Bleach-Regular Scent per 6,000 gallons of water will supply approximately 1.0 ppm available chlorine.
Maintaining pH in the pool. 1  1. Maintain a proper pH level. 2  2. If pH is high, add a small amount of muriatic acid and retest the water after about 6 hours of continuous filtration, readjusting pH as needed. 3  3. If swimmers are having a problem with burning eyes,â high or low pH is probably to blame, not high chlorine.