can anybody tell me how much it will cost to produce pure water through a di vessel only or how long a 25ltr bag of resin would last making about 600 litres a week, at the moment i use a RO Man 300 gpd (without DI) but recently it seems to have slowed down significantly so wanna change
my tap reading is 057 and my pressure is VERY high (dont know how high)
cheers
kris