The tunze comes with a pump and is a way more reliable system uses a optic sensor, don't cheap out on this we did and lost most of a tank a few years ago.
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360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras
360 Reef Tank
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