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Home » Saltwater Aquarium Supplies » Wavemakers » External » SCWD Wavemaker - Switching Current Water Director (Squid)

SCWD Wavemaker - Switching Current Water Director (Squid)

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The SCWD (pronounced "squid") is a revolutionary device designed to provide alternating currents without the use of electricty. The SCWD mounts inline with 3/4" tubing, the two ports alternate the output, the bottom port is the input. A great alternative to expensive electronic ball valves. The SCWD will run on any pump with a minimum output of 50 GPH and a maximum output of 1400. The switching speed and current duration is dependent on the volume of water flowing through the SCWD. You can control the duration by controlling the flow going through the SCWD. Can be submersed for use with large power heads or used externally.

SCWD is regarded by industry experts as the most energy efficient wave-making product on the market. It replicates nature by generating alternating currents within a tank or pond. These currents stimulate coral, fish, and plant growth and keep other aquatic life healthy because of the tank or pond? increased water currents and oxygenation.

A great product with a full 90-day manufacturer`s warranty.

Flow into SCWD	SCWD TD Output	Efficiency	Switching Duration
150 gph	90 gph	60%	22 seconds
180 gph	120 gph	65%	16 seconds
240 gph	180 gph	75%	12 seconds
270 gph	210 gph	80%	10 seconds
330 gph	240 gph	80%	9 seconds
400 gph	360 gph	90%	7 seconds
600 gph	540 gph	90%	5 seconds
720 gph	660 gph	90%	4 seconds

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10 of 14 people found the following review helpful:

Excellent!

SCWD Wavemaker by BOB MCPHERON

Comments: This product is the best I have seen. It uses no power and can be setup in minutes. I have mine on a 50gal tank with a Rio 2500 pump.
Yes, I would recommend this product to my friends.

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8 of 10 people found the following review helpful:

Excellent!

SQUID #1 by Emazeman

Experience Level: Intermediate

Posted on 4/18/2008 from CONCORD, NC UNITED STATES

Comments: I received first one and gears were damaged inside drive mechanism. Received replacement from Marine depot and installed with Mak 4pump (1190 gph.) I estimate a drop to 900 gal/hr. Switches every 1.25 mins. This is in a closed loop separate from return pumps. Removed 2 of my maxi jet 1200's. Simple tubing with 1 inch FPT. Rated for 500 - 3500 GPH pump. Might have to update pump. Teflon tape,,Hint Hint..
Yes, I would recommend this product to my friends.

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SCWD Wavemaker - Switching Current Water Director (Squid)

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