Best Selling Tests

pH test strips, and other  chemical testing kits 

Check out the top performing, popular pH test strips, and other  chemical testing kits from Level 7 Chemical. Testing supplies and kits are manufactured in the USA, since 1934, by  Micro Essential Labs, a trusted company known worldwide for their exceptional quality, reliability, and accuracy.

We offer a wide variety of test kits that cover many requirements. If you need to test chlorine strength, peroxide concentration, pH or quat / sanitizer levels for food service, we have what you are looking for.