London is famously a hard water area. It’s a badge of dishonour and leaves our kettles, sink sides and showers encrusted with ...

With a simple, inexpensive field test kit, you can detect inorganic forms of nitrogen ... accurate compared to commercial laboratory analysis. A typical test strip will measure nitrate levels from 1 ...

The first is essentially a DIY rapid at-home test with paper testing strips to dip into your water and compare results to an ...

INDIANAPOLIS — On Monday, the Indiana Senate passed a bill to make test strips legal in the state.

Hoosiers using test strips to detect the presence of fentanyl or other controlled substances soon no longer will be subject ...

Some 4,000 samples will need to be retested. Los Angeles County has been using potentially faulty DNA test kits in criminal investigations for months. According to the L.A. County Sheriff's ...

The manufacturer of the test kits notified the Los Angeles County Sheriff’s Department in August that many of the kits were likely defective, but it kept using them for several months.

The growing demand for testing sparked an increase in the use of at-home COVID-19 test kits. These kits provide ... with pink or blue line on test strip make it easy to determine whether or ...

Previously, every American household was eligible to order four free at-⁠home COVID test kits, which were shipped to your home through the U.S. Postal Service at zero cost. "Tests ordered before ...

Applekamp said having to prick two fingers was a bit bothersome — especially since the kit included only one bandage. Waiting for STI test results can be worrisome, but Applekamp said Everlywell ...