Dichlor shock..how much?

We just had our pool installed over the weekend, with no instructions on how to start up! We have the frog system. They said to add the shock...dichlor shock. I have no idea how much i am to add?? Ag pool hold approximately 19000 gallons. Cya is 0 free chlorine is 0. Any help is appreciated.
 
Welcome Newpooler :)

Just an FYI- those Frog systems add metals to your water which can cause stains and green hair/nails. You might want to consider removing that element since and stick with just liquid chlorine for your sanitizer.
 
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