Can pool shock hurt you?
Sophia Carter
Published Apr 24, 2026
What can pool shock do to your body?
Rashes or burns from chlorine gasIf it does, and your skin comes into contact with the chlorine gas, you can develop hives, rashes, or blisters. A high amount of these toxic vapors can even cause skin cells to die because they struggle to regenerate due to the chlorine's corrosive properties.
What happens if you accidentally inhale pool shock?
Chlorine poisoning can occur when you touch, swallow, or inhale chlorine. Chlorine reacts with water outside of the body and on mucosal surfaces inside your body — including the water in your digestive tract — causing hydrochloric acid and hypochlorous acid to form.How long do you wait to swim after shocking pool?
After Shocking Your PoolIt is safe to swim once your chlorine levels are around 5 ppm or after 24 hours. It is always best to test first!
Is pool shock hazardous?
PHYSICAL HAZARDS.CORROSIVE. Causes severe and irreversible burns to eye and skin. Harmful if inhaled. May cause irritation and inflammation to the respiratory tract.
Electrocution in Water
Can you get sick from pool chemicals?
If the chemicals used to kill germs (chlorine or bromine) in pools, hot tubs, and water playgrounds are not kept at the right level, these germs can multiply and make swimmers sick.What happens if I inhale pool chlorine?
Breathing high levels of chlorine causes fluid build-up in the lungs, a condition known as pulmonary edema. The development of pulmonary edema may be delayed for several hours after exposure to chlorine. Contact with compressed liquid chlorine may cause frostbite of the skin and eyes.Is it OK to shock pool during the day?
Best Time to Shock Your PoolThe best time of day to shock pool is when the sun is down. So, experts recommend shocking your pool in the evening or at night, to make sure it does its job. Shocking during the day can be ineffective as UV rays from direct sunlight significantly reduce free chlorine levels.
Is pool shock the same as chlorine?
Shock is chlorine, in a high dose, meant to shock your pool and raise the chlorine level quickly. Chlorine tabs (placed in a chlorinator, floater, or skimmer basket) maintain a chlorine residual in the water. You do need to use both tabs and shock.Can you swim 6 hours after shocking pool?
For chlorine based pool shocks (calcium hypochlorite, bleach and liquid chlorine), it will be safe to swim in 6 hours and up to 5 days after shocking. It's more important to wait until chlorine levels are below 5 ppm before swimming and the pH is from 7.2 to 7.8, rather than an elapsed time.What should you do if you are exposed to chloramine gas?
Exposure to chloramine causes irritation to the eyes, nose, throat and airway.
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If your child has swallowed something that you suspect might be poisonous, call the Poison Control Center at 1-800-222-1222.
- Drain openers.
- Toilet bowl cleaners.
- Oven cleaners.
- Vinegar.