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  • Results 1 to 3 of 3

    Thread: UV sterilizers degrade the plastic that contains them

    1. #1
      achappelear is offline Junior Member
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      Jul 2018
      asheville, NC

      UV sterilizers degrade the plastic that contains them

      How do you know if the plastic that most UV sterilizers is made of , is uv resistant or not? I have heard of cheap UV units that degrade from their own uv light and apparently leach chemicals into the water. Im not worried about the chemical problem as that seems so dilute when you factor in water changes. I am more worried about the unit crumbling within a few years

    2. #2
      RichToyBox's Avatar
      RichToyBox is offline Administrator ~ WWKC BOD ~
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      Feb 2005
      Sandston, VA
      The major manufacturers have all had special UV inhibitors added in high quantities to make their units last. I had one problem with a unit from AquaUltraviolet and they replaced the housing free, wanting the old unit back for testing. My first unit I bought at an auction was home made with standard PVC and it lasted until I decided to upgrade from 40 Watt to 80 Watt. I don't know how many years it was in service before I bought it, but I got at least 3 or 4 years out of it.

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    3. #3
      kimini is offline Senior Member
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      Oct 2007
      Does the plastic degrade? Yes, by "some" amount.

      Enough to matter? Very likely not

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