Sunday, April 4, 2010

SCWD - Switching current water director A.K.A wavemaker or squid





I have recently upgraded the saltwater tank by installing a SCWD. Previously the internal artificial current was only due to return pump of 2000 lph with a single outlet and, a extra 2000 lph internal pump which can be seen in previous tank photo's. I have added the Wavemaker onto the return pump hosing (2000lph which isn't very strong so in future will upgrade the return pump to something a bit stronger probably 3000 - 4000 lph).


I have to say I am pretty happy with the device - I believe (could be wrong) the mechanism in the Wavemaker spins and blocks the outlet pipes not in any particular order... I have a feeling that as the water pressure increases/decreases - caused by the length of the tubing or the fluctuating of the pump - the device in the wavemaker spins (can be heard if you listen carefully) in different directions and, allows water through one outlet at a time or both at once.... I can say the particular one I have purchased is extremely quite and, as a result I do not have to have the extra internal pump running (Tank looks less cluttered too!)... has been working very well and i do recommend its use to any serious reef tanker. I have posted some pictures below of the set-up... please note according to the instructions this is slightly different set-up - probably best to follow manufactures instructions when setting up this unit.







Installation is pretty simple - I used a combination of 15mm and 19mm tubing. 15mm tubing was a bit tight however, this what was in the return pump and, this was attached to the bottom end of the Wavemaker. Then on the two splits I attached 19/22mm hosing with a plastic clamp purchased at my hardware store. The rest is pretty simple you just need to buy some 90 degree angle -pieces which fit your size hosing i.e. 19mm and, keep cutting your hosing until you get the return going back into the tank.... I have attached a simple diagram as it's a bit hard to describe :


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