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Originally Posted by Willito
1500's in a 4 foot tank of SPS is fine, but maybe too much for Softies. 1100's would be more ideal for softies.
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you mean a 3 foot tank
but honestly with a 70X turnover rate there is nothing more than a gentle current. you watch some corals and the polyps are barley moving, the mushrooms are out and full. this is why I am thinking of replacing the two 820's with either tunze 1680's or the 1500's If I swap them with the tunze that will give me a 90X flow rate and if I leave them in with two new tunze it will be about a 110X flow rate.
I think right now I would not have a problem with any LPS or softies with the 70X turnover rate.
Now if I still had a sand bed I would not have been able to get it this gentle as it would be keeping sand suspended 24/7 so if you have a sand bed maybe stick with the 820's in the top 1/2 of the tank
Steve
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