Postby Walter » Fri 14 Jul, 2006 14:50
What we do is mix the shock with a 5 gallon bucket of water and spread it in the pool after we mix it up in the bucket, that way you have no chance of getting granules on the plaster and making a stain, just be sure not to spillit on yourself or the deck.
We are a custom pool and spa builder. We can only offer suggestions with the information given. Don't hesitate to email me if you have a questions and I will answer it as best as I can or point you in the right direction.