- Jul 3, 2013
- 9,027
- Pool Size
- 15000
- Surface
- Vinyl
- Chlorine
- Salt Water Generator
- SWG Type
- CircuPool SJ-40
you can add your DE now, use about 1/2 cup and see what your pressure raises too, if less that 1 psi add another 1/2 cup... when you get new sand you can backwash the DE out, add new sand, and add DE back in 