Algae got you down? Don’t feel like swimming in a swamp? Shock chlorination to the rescue!

This is a process used in many swimming pools to reduce the bacterial and algal residue in the water. Shock chlorination is performed by mixing a large amount of sodium hypochlorite, which can be in the form of a powder or a liquid such as chlorine bleach, into the water.

The common advice is that the amount added must raise the level of chlorine to 10x the level (in parts per million) of chloramines present in the pool water.

Water that is being shock chlorinated should not be swum in or drunk until the sodium hypochlorite count in the water goes down to three ppm or less. Indeed, shocking produces free chlorine that reacts with organic contaminants which are hazardous to swimmer health, and is well known for irritating the eyes.

Keep cool with your trusted pool professionals

Too shocked to deal with shocking? Find a Pool Xpert and he’ll do the work!

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