Basic consensus seemed to be that it moves a WHOLE lot of water for you, all throughout your tank nicely.
It moves all the water in the direction the wave box is pointing, usually from end to end I mean it creates water movement throughout your entire tank, you won't have any dead spots. For water direction, it would be best to run two of them in opposite corners pointing towards the front center of the tank for best results.
They are expensive, and take up a good amount of real estate in the tank.
Any closed loop wave maker are expensive IE: Oceanmotion, Redsea wave controller/power heads, Tunze streams/multicontroller, what ever?, check out the prices, as for real estate , take a look what tunze streams or a bunch of power heads take up for room in a tank $500 is a lot compared to say a closed loop running a Barracuda pump for half the price. As for realestate, The box takes up more room than 2 streams or 2 Seio's. And way more room than a closed loop manifold.
Your water volume will surge back and forth so much, 1.5" difference from the waves.
Untrue,I have a 215gallon /72inch tank and the wave at max. is 3/4 inch up and down at one end You might not be getting 1.5" but that doesn't mean it isn't possible, so I wouldn't say it is untrue. Different tanks are going to act differently because of the different frequencies the wavebox is going to setup in the tank. The shorter the tank, the faster the frequency. The wavebox will produce different waves on each tank it is put on.
It is hard on tank, I think they say 10% reduction in tank "life" due to stress on joints from so much water movement. Even harder on bow fronts.
Some what Untrue, this would only be true if you had a cheap tank of poor quality. as for bow tanks Alan at J&L said he called a rep. at Oceanic and they said it could only be a factor if you wanted the wave to move from front to back. the rep. also said any one that would try that needs to have a water clean up mess....lol I am more inclined to believe the developer and primary tester of the wavebox 6212, Claude Hug, who states:
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Tank life is shortened by the dynamic load. We approximate a tank constructed to DIN standards looses 10-20% of it's life when all other assembly and installation is 100% correct. (Unfortunately the US has no standard system like the Deutches Institute Normalization but we can estimate that a well made name brand US tank will have a 15 year life and the wavebox will reduce that to 12 at most if all other instalation is correct-i.e. it is level and properly supported)
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They are most effective on longer tanks where the waves can "build".
Untrue, a wave box is effective on any tank, but if your tank is long enough to produce a double wave , or "build", it only looks cooler!! I said MOST effective. The longer the tank, the more natural the waves are going to be, hence the more effective. I didn't say it was not effective in any tanks. It takes a tank longer than 6ft for double wave action by the way.