Passing the Test
• Monitoring the Monitors (PDF)
A look at the function of automatic controllers and water quality testing devices and how they are evaluated and tested under NSF/ANSI Standard 50.
• Search and Deploy (PDF)
How to use search engines to find tested and certified products that are up to code.
• The Right Part (PDF)
Using non-OEM parts in pumps and fittings can created unintended changes in how the products operate, and potentially dangerous situations. Here’s how to avoid that scenario.
• Good Chemistry (PDF)
How chemical feeders, generation systems, flow-through feeders and chemical pumps get tested and certified in accordance with NSF/ANSI Standard 50.
• Quality Help (PDF)
Understanding UV and ozone and how these supplemental products are tested for efficacy and performance can help you maintain better water quality.
• Filtering Effects (PDF)
A look at filtration technologies, filter products and filter media — along with how they are tested and certified in accordance with NSF/ANSI Standard 50.