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Thread: DOS old water in to PVC drain

  1. #1
    New User
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    DOS old water in to PVC drain

    I have a DOS setup for automatic water changes that sends the old salt water to a 10 gallon reservoir in a closet behind the aquarium. I have a optical sensor to stop the water changes when it's full. Interestingly the closet shares a wall with a bathroom. I would like to have the old salt water empty in to the drain below the sink in the bathroom. Has anyone done this before and have recommendations on fittings for the PVC and DOS tubing? I did some searching on this and I could not find a definitive answer. Thanks in advance for your help.

  2. #2
    Master Control Freak RussM's Avatar
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    Dec 2012
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    Use a saddle drain like is often done for the waste water from an RO/DI unit.

    Please do not send me PMs with technical questions or requesting assistance - use the forums for Apex help. PM me ONLY if the matter is of a private or personal nature. Thanks.

  3. #3
    New User
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    Thanks for the help! I found a 1/4" drain saddle valve on Amazon for $9.73. https://www.amazon.com/dp/B00KFPGD1U..._t1_B00CF3R3W8
    I will try it out and post the results.

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