ProMatcher

What is the best time of day to shock a pool?

Top Answer: Evening (53% of 13 votes).
What is the best time of day to shock a pool?
Morning
38%
Afternoon
7%
Evening
53%

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Updated on January 14, 2015

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Comments From Our Pros

Answer: Evening
Explanation: The best time to shock a pool is in the evening or at night. This allows the chemicals to work effectively without the sun's UV rays breaking them down too quickly. Shocking the pool when the sun is lower also minimizes the impact on swimmers and helps restore water clarity and sanitation overnight. Always check the manufacturer’s instructions for the specific shock product you’re using.
PoolLogic Pool and Spa Service
Answer: Morning
Explanation: The pool water is the coolest before 10 am and chlorine is more effective at cooler temperatures.
AAA Pool Inspector
Answer: Morning
Explanation: while no direct sun
Naples Pool Life - POOL CLEANING SERVICE
ProMatcher
Answer: Evening
Explanation: The sun is the arch enemy to chlorine. Adding chlorine to your pool durring peek sunlight hours takes the longevity out of the money you spent on chemicals. Also add chemicals after a backwash never before for the same reasons
WaterBender Pools
Answer: Evening
Explanation: in the evening if you want it to react all night with the pump running and sunlight will leach out chemical
Affordable Pool Pro
Answer: Afternoon
Explanation: Yes
SDPOOLMASTER