[crystal.clear]

im looking into buying a wf system but cant make up my mind in which ro to buy. i have a water pressure of about 50-60 psi. i want to fill a 400 litre tank over night. any help would be great. thanks steve

[JM123]

If you know what your tap tds it would be a good help but going on your pressure a merlin will be very hard to beat - we rate them very highly.  I wouldn't go any smaller, you'll regret it, if you can afford it go for a champ 4040 kit.  E-mail me for prices.