I used a zero-g hose for one season. Water started tasting like the hose at the start of the second season. I have since replaced the zero-g with Flexzilla hose and have had much better results. Biggest is that the hose is 5/8", not 1/2" like the zero-G so water volume is improved again(noticeable when showering), and second, there has been zero hose taste now since I started in April with these.
Since my waterbay is inside the basement of my 5th wheel, I bought:
These stay connected to the city water connection all the time:
90 degree hose adapter 3' Flexzilla lead in hoseHose Quick connect then just connect the 25' hose when arriving.
25' Flexzilla hose50' Flexzilla hose