Looking to get a hose to run from the faucet for tank filling. Currently use a 3/4 gallon pitcher and that's about 30 trips a week when doing a water change. I was looking at some of those expanding/collapsing hoses for ease of storage. What I'm wondering is if any hose is ok or are there certain things I should be looking for that make one safer than the other in regards to not contaminating the water. Worried about chemical release.