While spaying is traditionally recommended for kitties between 4 and 6 months of age, spaying as young as 8 weeks old is considered safe, according to Cat Channel.
The national drinking water standards state that the maximum residual amount of chlorine is 4 mg/L. Untill recently the USA used chlorine gas extensively for wastewater treatment. Today, the use of chlorine has been forced back.
The level of âfreeâ chlorine in swimming pool should be between 1 and 3 ppm (parts per million), and between 3 and 5 ppm for spas [ii], [iii]. The total amount of chlorine in water is the sum of âfreeâ active chlorine and âcombinedâ inactive chlorine, which has reacted with contaminants.