Vortech flow %?

I have one set to reefcrest random mode and around 90% flow, the other set to around 50% on lagoon mode.

Is this too much flow for a 6' 180 gallon?
 
i agree, crank them up, it may not be enough.

i have 2 MP40's at 100% reefcrest on a 90 and with my SPS taking up more and more volume, I'm now realizing i need even more flow
 
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