baumer Posted November 17, 2016 Share Posted November 17, 2016 whats the avantage of have 2 return vs 1return on a 75 gallon tank. 48x18 I bought a tank and it had 1 return.Shoud I split and "T" it off for 2... Quote Link to comment Share on other sites More sharing options...
Blue Z Reef Posted November 17, 2016 Share Posted November 17, 2016 It's really just about dead spots. You could use one if your wavemakers make up for the rest. Otherwise it doesn't matter 1 Quote Link to comment Share on other sites More sharing options...
baumer Posted November 17, 2016 Author Share Posted November 17, 2016 Okay thank you.. Quote Link to comment Share on other sites More sharing options...
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