I could be wrong, but I think the factory preset filter routine is set at 4 x a day for 15 minutes. We found this to be not enough while the kids were home, and the dealer recommended increasing to 1 1/2 hours 4 x a day. Remember it is the 2 speed pump on low speed. Our water is crystal, (at least it was yesterday?) clear. The dealer advised us to use the filter to maintain the water. Keep the additives to an absolute minimum, run the filter. In his experience (the dealer is a District Manager for Sundance) he claims the cost is low compared to extra chemicals, and fewer water changes. We are using bromine tabs (3 in the dispenser), usually a very little chlorine after each soak and tablesp00n or so once a week and about a shot glass of baking soda a week to keep alk up. No scum digester, no spa blue, occaisional foam stuff in a spray bottle. Will probably hopefully? change the water in late October / early November making it a 3 to 4 month interval for water change.
