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Tsunami AT-1 Auto Top-Off System ATO
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Item #: DP-TSUNAMI
Our Price: $59.95
Availability: In Stock
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Tsunami AT-1 Auto Top-Off System ATO.

The Tsunami AT1 uses a powerhead or pump (user supplied) to keep a constant level in a sump.
When the water level in the sump drops 1", the AT1 will turn on the reservoir pump and turn it off after the sump fills up 1".

Features:
- Prevents main pump from running dry.
- Holds sump levels constant.
- Reduces salinity fluctuations.
- Includes water level sensor.
- Circuitry designed to UL specifications.

Reviews

Average Rating:
(based on 3 reviews)

Showing 3 Reviews:

by Rick
on 2/3/2013
13 Years and still works Great!
I have 2 of these each in a diffrnt tank set up (25 Gal/300 Gal reef tank)I've been using this product for over 13 Years and it works great. Yes, maybe once or twice I have had excess water pumped in my sump. But that was only due to a mis adjustment on my part with the sensor. The suction cups that hold the sensor are good. But will sucum to the elements in the sump, and stiffen. (loose suction) The suction cups I have used do last years! But eventually theres a dirty little word called MAINTENANCE! Simply find one that does last! Because the Tsunami is well worth the investment!
by Nick
on 1/28/2010
This product works nicely
I bought this because i needed an ATO for my sump-less SPS dominate reef tank, The day first time it kicked on it nearly overflowed my tank because it was leaking and that caused the sensor to mess up but i put some silicone on the leak and its been working like a charm, its keeping my water level within 1/8". Ive got it sitting in my HOB skimmers surface skim section so the water in my tank only has to drop a fraction of an inch for the water level in the surface skimmer section to drop about 2". If your using this in a sump-less tank you really need to do something similar as it takes almost 2" of water drop for this to kick on/off. Nevertheless its still a great item and nearly fail safe. Happy Reefing.
by aaron
on 11/11/2008

way more accurate than than the package says but the suction cups are not great. Needs to be held on by magnets or something better.
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