Hiya bud
Good to c its all sorted man...nothing worse
My HF5 40/40 is sound i got it on 1ltr tank 2ltrs waste
my tap water is 550 ish + & my tap psi is 20.....this system brings tds down from nealy 600ppm to 8ppm now...without booster pump
(from gaps)
drain tap nealy closed tho,but so wot,its the right ratio man & doing well
Hope it stay's that way man...LOL
Kind regards
Justin