High-quality RV Water Hoses
If you care about your health and how your water tastes, you definitely want good water hoses. I've tried lots of water hoses over the years and these are by far the best I've used: RV Water Filter Store Hoses.
These hoses are not inexpensive, but they last forever. The hoses available from the RV Water Filter Store will *never* kink. They're safe for drinking water. They coil up almost automatically into a fairly tight loop so they're easy to store, but they're perfectly straight when you extend them. Best of all, they're rated for 200 psi of pressure — more than any park can supply. I've been in a number of parks where the water pressure was over 150 psi. Water pressure that high will blow most water hoses apart on a hot day, especially if they're more than a year old. It's a pain to have to move your pressure regulator to the park's spigot in order to protect your hose (and you risk forgetting it). With these hoses, you never have to worry about the park's water pressure, just hook them up and relax. I've had the white hoses with brass fittings for years and I love them. I don't think there's any reason to pay extra for the stainless fittings.
I'm not affiliated with the RV Water Filter store in any way. I could get a small commission by recommending a variety of hoses sold elsewhere, but these are the best hoses I've found, so I'm recommending them to my readers.
It's also nice that these hoses come in various lengths. I have a 2-foot hose that runs from my water inlet down through the access hole in the bottom of the utility bay. It has a quick connect with a shutoff valve on it for convenience. When I travel, I shut off the valve, pull the hose up through the hole, and put it in a Ziploc baggie. I put a bathtub stopper over the hole to keep dust out.
If you're drinking park water on a hot day and you have a long water hose, the water gets pretty hot (especially if the hose is in the sun). You have to run water for a long time before you'll see any cool water. In that case, you want the shortest hose possible, but that means the hose won't reach if the park's water connection is a long reach. The solution is to have two hoses. I have a 10-foot hose and a 15-foot hose with quick connects on them. That way, I can make the hose 10, 15, or 25 feet long and can use just enough to reach the water connection. The 10-foot hose is enough for a lot of parks, but sometimes it won't do. I've never been in a park where the 25-foot hose wasn't long enough.
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— Bob Ray