Keep a ready supply of purified water and ditch the large jugs and single-use plastic. Here's how portable water dispensers work and why I switched.

At that rate, a 500-ml bottle of water should be more than sufficient for one night – the humidifier automatically shuts off after eight hours of continuous use.

LARQ is the world's first portable, self-cleaning water bottle with a sleek design you'll want to show off. See the reusable water bottle here.

The CamelBak All Clear is a portable water bottle that uses UV-C light to disinfect. The water bottle is designed to last for years.

This is the first portable water bottle that includes an inline pump -- ensuring your hands stay dry -- and an activated carbon disc that removes chlorine, taste, and odor.

Over the years, I’ve tested dozens of water bottles. The Owala FreeSip is the first one I’ve actually bought multiple times. Try one today.

Designed by Karim Rashid, it has a carbon filter to make tap water taste better, with the goal of encouraging consumers to stop buying bottled water.

The LARQ Bottle Filtered has a filtration system in a portable water bottle that is comparable to bigger home systems in the level of filtration.

The portable water bottle is super handy if you’re planning a longer walk, or know your dog tends to get hot even when sticking to the shady spots and early hours.

Dog owners are raving about this portable water bottle that is perfect for taking with you on walks during warm weather. The COTOP Portable Dog Water Bottle is available on Amazon for £11.53 ...

Amazon's COTOP Portable Dog Water Bottle, available here for £11.53 (was £13.58), is an ideal solution.