We had a system installed by martins a couple years ago. Had an issue of salty water taste. Contacted martins when our annual service was due. Tech came out very professional, let us know of our salt water taste he could taste it. Fixed the issue. We also had an issue were our ice tasted like garlic from the ice maker. He also installed a carbon filter and he said it may work and may not. Glad he let us know up front. But it did work no more garlic tasting ice. Thanks a lot. Great service