I recently bought a foreclosure home. There was a reverse osmosis filtration unit under the sink already. Not sure how long the unit was not in operation, I replaced all filters and RO membrane just for sure. I used to buy filtered water from the RO machine outside Sprout. I compared the process and found two UV sterilizers in the RO coin-operated machine, before and after reverse osmosis step. Why they need two? I can only assume, if one UV light went out, there is a backup. I decided to add a UV sterlizer to my unit. The first one I bought from Ebay. The glass chamber was broken when I opened the package. I contacted the seller, he asked for photo of the broken merchandise, then sent me a replacement UV lamp a week later. But the problem I have was the glass chamber protecting the UV lamp, not the UV lamp. Finally, the seller agreed to refund the purchase upon my return of the product. I appreciate the Crystal Quest UV sterlizer a lot more after that experience. In comparison, Crystal Quest UV sterilizer is very well constructed, carefully packaged. And, I really like the stainless stell casing. So far, the unit is working beautifully.
I have used this unit for just two weeks, but after having used others, I am more than satisfied. Pricey, yes. But it is well built, was easy to assemble, easy to install with cool mounting clamps, and worked perfectly the first time right out of the box. On top of that the instruction manual was readable and complete. (These days a rare treat.) The fittings allow you to determine operational status without having to take UV light into your eyeballs, and the indicator on the power supply is nice too. Using a small valve, I run multi-stage filtered water through the device at about a quart a minute (1/4 rated flow) and just sterilize the heck out of the surface and spring water we filter and use for consumption. As small as the unit is, it suits the needs of my wife and I just perfectly.
We use well water. I like the convenience of the sterlizer. No harmful chemicals. Change the UV light once a year. We can handle that for our peace of mind in bacterial control and safety of our drinking water.