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Extech Instruments provides water testing tools to help professionals and amateurs identify and fix problems in their water systems.
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Extech brand water testing products ensure you can stay on top of monitoring and adjusting chlorine, pH, ORP levels in your water. The Extech EX900-R 4-in-1 Meter Kit includes all components needed for testing and monitoring. Fresh Water Systems also carries individual components for water testing needs. Shop Extech brand products above or call our customer service representatives at 1-877-335-3339 for any questions or assistance you need in your Fresh Water Systems online shopping experience.