Increase free chlorine in a pool by adding 1 pound of chlorine or bromine for every 20,000 gallons of water. You will need to purchase the appropriate amount of chlorine or bromine for the size of the pool. This process takes under 30 minutes, but the material should circulate overnight.
Use a free chlorine test kit to determine the amount of free chlorine in the pool. Follow the manufacturer's instructions to read the results. Free chlorine levels should range between 1 and 3 parts per million. A strong chlorine smell is an indication that free chlorine levels are low.
Calculate how many pounds of shock material you need to use by measuring 1 pound of chlorine for every 20,000 gallons of pool water.
Sprinkle the shock into the pool at the end of the day. This will give the shock time to raise the free chlorine level without it being burned away by the sun. Don't cover the pool.
Brush the sides and the bottom of the pool to remove any debris.
Allow the filter to run, circulating the chlorine until the next morning.
The average amount of chlorine required for pool shocking is 3 1/2 quarts per 10,000 gallons of water. Clean Pool and Spa recommends raising the chlorine levels 10 times for every part per million of free chlorine when shocking a pool.Full Answer >
A pool with 10,000 gallons of water requires one or two 3-inch chlorine tablets per week to maintain the recommended 1 to 3 parts per million. Test pool water regularly, and adjust the amount of chlorine as needed.Full Answer >
The amount of chlorine required per gallon of water depends on the type of chlorine used to treat the pool. A daily dosage of 11 ounces of liquid chlorine is recommended for every 10,000 gallons of water.Full Answer >
Increase the alkalinity of a swimming pool by adding 1.4 pounds of sodium bicarbonate for every 10,000 gallons of water contained in the pool. This addition raises the total alkalinity of the pool by about 10 parts per million.Full Answer >