Why do you disconntect from the resin?
Rwc-do you mean 10 minutes?Do you then leave it for half an hour or so or just do this every fill for 10/15 minutes?Steve
Do you need resin then if it's coming out at 4?
and I thought it was only me who let the ro run for a few minutes before connecting to the di ... saves a fortune in resin .... manage to get 8 weeks from my little 7 litre vessel and even then i only half fill it