Hi, I installed a Hyflux Alkaline-3 UF Drinking Water System last July, according to the specification it is capable of filtering up to 3000 Litres of water and base on the usage in my household for 3 adults with minimal cooking  it should last me 12 to 18 months . I was a little puzzled when the water started to taste funny less than 7 months after installation . A friend said the filtered water tastes soapy. I was a little puzzled how does the smell from the box of  laundry powder that I