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Feed Watermaker from Dockside Water?

Discussion in 'Watermakers' started by LAM, Sep 16, 2025 at 10:52 PM.

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  1. LAM, Sep 16, 2025 at 10:52 PM
    #1
    LAM

    LAM New Member

    Joined:
    Nov 8, 2007
    Messages:
    10
    Location:
    MD
    Anyone fed a watermaker from the dockside water? Was looking at spotless systems, but started thinking maybe could just use watermaker and use water from boat tank (200 gallons) to wash. Our dockwater is actually well water and we dont often use our FCI Aquamiser 600gpd watermaker as we are in brackish water on the Chesapeake.

    Tried connecting dockside hose to Groco flush cap on strainer but seems like dockside water pressure is too high even when turn down and watermaker not priming properly. Tried asking FCI but just wanted to sell add on DTS system. Thx
  2. Capt Ralph, Sep 17, 2025 at 9:08 AM
    #2
    Capt Ralph

    Capt Ralph Senior Member

    Joined:
    Sep 8, 2004
    Messages:
    14,029
    Location:
    Satsuma, FL
    Pickle your RO system.
    Purchase one of those SpotFree tanks and wash your boat directly from the dock water supply.
    Your RO system will last much longer.