It is necessary because the chlorine kills all of the germs that enter the swimming pool.
chlorine
Chlorine is added to swimming pool water to disinfect it.
chlorine bleach, tap water, salt, swimming pool water.
A fresh water swimming pool is a swimming pool that does not use a saltwater chlorinator. A pool that used a salt water chlorinator has salt added to it to so that a salt water chlorinator can electronically convert part of the salt into chlorine. A fresh water pool has chlorine added to it directly either manually or Automatically.
If the combined chlorine in a swimming pool is a negative number, it indicates a testing error or miscalculation. It's important to retest the water using a reliable pool water testing kit to get an accurate reading. Negative combined chlorine levels are not physically possible in a swimming pool.
no they are already chemically bonded
Water and chlorine.
Water in a swimming pool is compound because the water and chlorine have been chemically combined.
The most widest used disinfectant is Chlorine
Chlorine typically takes about 24 to 48 hours to dissipate in a swimming pool, depending on factors such as sunlight, temperature, and water circulation.
swimming pool
Health laws in the U.S. require a certain percentage of chlorine in a swimming pool in order for it to be healthy for humans to swim in. Does YOUR bleach have chlorine in it? Public drinking water supplies have small amounts of chlorine and fluorine in them.