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Average Customer Rating
4.0 out of 5 stars with 2 reviews 4.0 out of 5  
2 Customer Reviews
5 Star: 0% 0
4 Star: 100% 2
3 Star: 0% 0
2 Star: 0% 0
1 Star: 0% 0
 
Tsunami AT-1 Auto
Top-Off System
DP-TSUNAMI
 
$59.95
 
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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.


2 Customer Reviews
5 Star: 0% 0
Average Customer Rating
4.0 out of 5 stars with 2 reviews 4.0 out of 5
100% recommend it to friends
4 Star: 100% 2
3 Star: 0% 0
2 Star: 0% 0
1 Star: 0% 0
4 out of 5 stars This product works nicely
by Nick from Fort Dix, NJ on 1/28/2010
Recommends it to Friends: Yes
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.
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4 out of 5 stars
by aaron from newcastle on 11/11/2008
Recommends it to Friends: Yes
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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