Well built my own for less than £1k, my resin lasts me 6 mnths. Got my money back in 4 mnths.
And guess what my water is 000 tds. It's all the same, there is nothing techo about it.
I had the sales pitch from midallion man from Ionics, went and had a look at someone who bought one. Did some research on what the parts cost, and then say no more.
Craig is a good business man, take my hat off to him but there is 10% profit and then there is 100% profit thats why I went DIY.
The closest I have seen to good deals is Gardners, why because I now the face value of each product