im not a fan of the positioning of the powerheads. I like to use them at each end of the tank and position one closer to the front and one closer to the back. this way you have a current that basically does a circle. as for adding I don't have enough experience with the other styles but im going to try a gyre next
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150 gallon reef mostly softies/lps. 50 gal sump with bubble magnus skimmer/ Led fuge light/refugium/ 1200 return and tunze powerheads. Dual pharoah main tank led.4 pump dosser.
550 gallon stingray tank water drip system
150 bowfront. 75 turtle tank, many others
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