How often do I need to put liquid shock in my pool?

My pool is 18 x 24 and 52 inches deep. . .

Answers:
Once a week is usually enough; however, you need to reshock more often if

1. Your area has extremely high temperatures
2. There have been a lot of people in your pool
3. There has been a heavy rainstorm.

Other answers:
once a month in most areas. Part of this depends on WHERE YOU LIVE (climate affects this!). If you are unsure, just call a hardware store and ask.
once a month in most areas. Part of this depends on WHERE YOU LIVE (climate affects this!). If you are unsure, just call a hardware store and ask.
Get a pool check kit. The amount varies. Go to a pool store or even WalMart or the local chain store. Check by pool supplies
you should invest in the chlorine strip test kit, it tells you by color matching what is needed. then you will need to do some quick calculations to get the right dosage. don't shock it before your having house guests though, it could make it very ugly for the eyes of your guests and you.
follow directions on the box . do you have a test kit or test strips for the water. follow the instructions water will go green pretty quick if you dont
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