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.
â Add 52-104 oz per 10,000 gallons of pool water to yield an available chlorine level of 5-10 ppm. How much should I add when I winterize my pool in the fall? â While the pool water is clear and clean, add 3 oz. per 1000 gallons, while filter is running to obtain an available chlorine level of 3ppm.