DIY ATO Auto Top Off System

ReefNerd76

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Here is a short explanation of how I built my ATO. It works great, it's worth the time to save money, trust me.

 
Pretty ingenious! The old water cooler jug method for ATO....no pumps, no sensors, no electricity.

The only issue I see is that I go through about 1 to 1 1/2 gallons a day. I'd have to top off that 20 ounce bottle you are using too many times!

Nicely done video.
 
im worried saltwater will get in the bottle. No? Can you draw a pic of it?
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
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