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Well after running the Gyre in the horizontal position for 4 days at 60-70% I noticed the mid water doesn't get as much movement as two wp=40s. Even when I crank it up to 100% I get great top and bottom movement but not great mid water.
So today I fired up my idle wp-40 opposite of the gyre...
How far across? The instructions come with a warning. It could blow your seams apart...lol I think you would need the 35w at the lowest setting, unless you have a wide front to back tank. The water might even flow out over the rim. Running it deep might help also.
I think it would do great on a 4 foot tank. Not seeing much back and forth motion except the flow coming back from the bottom. You would just need to run it 40%-50%. I'm running in constant mode right now so haven't played with the pulse or other options. You can also adjust the gates to direct...
I have the standard 180g 6x2x2. The flow at 60% is just a little light at the 5-6ft mid range, if you like high crazy flow you might have an issue, but if not you are good to go. Plus my return helps for any weakness in that area. You can also increase the flow rate but it becomes a little much...
Spent yesterday working on the tank and got the Gyre installed. Packaging was A+. Removed one wp40 and shut the other one down. The key to water movement seems to be the height its mounted. I originally had it about 5 inches below the water level but it seems to give little movement in the 5 to...