Hello, I'm new here so sorry if this has been covered.  Couldn't find the subject after a quick scan.  I've got an older Beachcomber tub with an Aqua Spa Pak, Evolution.  I've added an Intermatic mechanical timer to the circuit.  The question is: What is a good schedule for the timer? There's lots of conflicting times listed on the web (3hrs a day, 8hrs a day, on 2 off 2, on 3 off 3...).  I'm using Chlorine, no ozonator, the tub is outside and looking for summer setting on Vancouver Is.
Thanks for any advise!
NT