>>There is a tiny chance that if the distilled water is pure enough, the sensor might fail to detect the water (in which case, the light would continue flashing after filling the tank). I've never seen it happen, I have seen it happen. But occasionally using tap water or using the DampChaser treatment will keep it working. Dean Dean May cell 812.239.3359 PianoRebuilders.com 812.235.5272 Terre Haute IN 47802 -----Original Message----- From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf Of Mark Purney Sent: Wednesday, August 27, 2008 11:48 AM To: Pianotech List Subject: Re: Tuning Service/Dampp-Chaser Service Tom, There is a tiny chance that if the distilled water is pure enough, the sensor might fail to detect the water (in which case, the light would continue flashing after filling the tank). I've never seen it happen, but if it ever does, the solution is simple: add an ounce of tap water or a few drops of the DC humidifier treatment solution. I urge my clients not to use tap water. The key to having a clean system is to use some sort of filtered water. This is any kind of water in which the bulk calcium and minerals have been removed. This can be: 1. Distilled water 2. Purified drinking water 3. Water filtered by an in-house reverse osmosis system There is no need to buy expensive distilled water if you have gallon jugs of purified water available at lower cost. In Phoenix, the tank goes empty about once a week, so it costs about $20/year to keep the Dampp-Chaser running on purified water. I have an RO filter, but I don't use it for the DC because I'd probably spend even more on replacement filters, and it takes too long to fill the watering can that way. Tom Driscoll wrote: > Scott, > I may be wrong, but I remember the Damppchaser people recomending NOT > to use distilled water. > Something about the lack of minerals in distilled water and the low > water sensors. > Roger? > Tom Driscoll
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