Most Recent Articles

We tested 100 different bottled water products, including Dasani, Aquafina and Liquid Death, and smaller, privately labeled products. Read about the motivation behind this project.

Chlorine test strips can quickly tell you how much chlorine is in a sample of water, but sometimes, understanding these seemingly simple results can be tricky.

The National Sanitation Foundation (NSF) is an independent product testing, inspection, and certification organization to ensure that the devices are composed of nontoxic materials and/or that they reliably and adequately...

Should you be worried about your drinking water if you live near agriculture and farmland? Read this scenario guide to explore your potential contaminant risks and learn information on how...

The environment, the infrastructure, and the plumbing of your home can all have major effects on the water you drink, cook with, and bathe in. Subsequently, understanding water quality can...

If your faucets and clothes are covered in stains and you feel a ‘scummy’ residue on your hands after you wash them with soap, you might have hard water. Find...

Outbreaks of Legionella-caused illnesses are quite common, especially in spas and hotels, and can lead to health complications.

Many naturally occurring heavy metals are insidious threats that cannot be smelled, tasted, or seen. Read our list of the seven heavy metals that should be on your radar, why...