The SCWD (pronounced "squid") is a revolutionary device designed to provide alternating currents without the use of electricity. The SCWD mounts inline with 1" 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 GPH.
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.
1” SCWD Switching Rate in GPH:
30 seconds 3500gph
55 seconds 1800gph
80 seconds 1200gph
120 seconds 900gph
155 seconds 720gph
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Awesome flow! Great investment! Review by Ash
First one had a problem with the gate, so AquaCave sent me a new one. Swapped out the internal mechanism, and it works WONDERS! Have it running from and Mag 24 to duel returns on a 125 LONG reef. I was worried I was going to have to put powerheads all over, but I don't think Ill even need ONE. This wave maker is VERY effective, without all the hassle of plugs and timers for powerheads, and uses up no power! Great buy! Totally worth the money! (Posted on 4/23/2009)