Question: One RO System I’ve Seen Has A Light At The Base Of The Dedicated Faucet That Comes On When It Is Time To Change Your Filter. Do You Have This Feature?

Answer: In spite of what the makers would like you to believe, the light indicator is not part of a sensor which determines when your filters need changing. The lamp is merely attached to a small microchip powered by a watch battery – which is under the sink! – and is set to turn the light on exactly six months after the battery is put in place. (Providing the dampness under the sink doesn’t corrode the battery terminal and disable the timer.) The filter replacement frequency of your RO system will vary according to use. (You can periodically test your water with an inexpensive Digital TDS Meter to determine the proper time to replace your membrane.)