When is it enough water movement?

blownz281

Member
20gal H nano
Millenium 2000 filter pumps 160gals per hr (40gal tanks)
Aquaclear 301 output is 174gals
water moves really good in the tank, don't have anything in it yet to see if frags,polpys,corals will get enough water movement. every spot in the tank the weeds on the live rocks are moving around. its 434gals being moved. should there be more?
 
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