Flow

[The Guy]

Originally Posted by Wretch

This was why I was hoping to hear from rw-8 owners to know if the low setting was actually low. Not just a minor difference from max. I am running about 2750gh right now with 3 power heads.

I'm running a RW8 at one end of my 90 g and a WP25 at the other end, works very well.
Your question on turn down on the RW8 I just tried it on low and it seems turn way down on low in W1 mode, one thing I like about these is a wider flow pattern.

[Wretch]

I think I am going to try 1 rw-8 on the more open side of my tank. Then I will move my 2 wp-10s to the other side on either side of the tall rock formation. I will still have 3 powerheads but will only see 2 of them.

[Reef Pilot]

Here's my take: More flow is better than not enough. And too much is just right. And remember, pump flow goes down between cleanings as they accumulate algae and calcium.