How do you feel about 2 gyres in the back wall for an sps dominated tank (see image below), tank is 48x24x24 with a center overflow? I currently have one on one on the long side of the tank and feel like I can have better flow throughout the tank.
I use them and on my new build will be. Going with 4 but I like side the ends more I tried side but moves sand and it's kept really low now the best movements
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