Tunze mod to have wider flow

OK. Bring this old thread back. :)

I am finally sitting up my tank - 150g SPS (4'x3'x2') and I the 2 Tunze 6105 are kicking the sand (they are not sugar size) all over even on 30% power. That's how powerful they are. Since my tank is Peninsula style, I positioned both Tunze in the right side pointing left. Is there a particular setting I can chose so it doesn't kick the sand all over and yet provide enough flow for the SPS?

Or should I get the wider face?
 
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