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XP Aqua makes a variety of different ATO or top off systems.  They also offer leak detection flood guardian system to protect your investment even furthur.  

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  • XP Aqua Duetto ATO - Auto Top Off

      Why Choose Duetto ATO Auto Top Off System? With huge features jammed in a tiny package, the Duetto is the perfect ATO for your aquarium. XPAqua’s proprietary dual-optical sensor packs two precise level sensors...

  • XP Aqua RO/DI Flood Guardian
    $69.99 $59.99

    The RO/DI Flood Guardian can be a real marriage saver and will help prevent accidental floods from ever happening again! Features: World’s first and only electronic float valve kit Prevents unwanted floods when...

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