PoolWaterLAB Photometer V2.0 PPHPPLR150 These GF/C filter papers are

These GF/C filter papers are used inside the Filter Paper Adapter to filter the sample as required by the Phosphate HR and Nitrate methods

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and also in small gardens

It’s required specifically for methods that include the filtration step — including Phosphate HR and Nitrate workflows

Secure connection: designed for a stable Luer Lock fit during filtration

PoolWaterLAB Photometer V2.0 PPHPPLR150 These GF/C filter papers areNOT FOR EVERYONE (PLEASE READ FIRST) If you're looking for a simple, marketing style pool tester with basic strips and minimal setup, this device is not for you. Our photometer is built for users who are ready to move with the times, embrace modern precision technology, and spend a little time learning how the device works. Once you understand the basics, the testing process becomes incredibly easy, fast, and consistently accurate. A professional