I know this should be easy, but want to make sure I am not missing anything. I have a 2217 I am setting up in a tank and want to use a spray bar for the return. Is there anything I need to know about hole spacing or size? Just plan to use pvc and drill press to make holes. Any thoughts would be good. Tank is 30 high and would like to cover as much of the water column as possible, but not too strong a flow.
Thanks
Thanks
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