Plus they're as quiet as your return pump, they don't make noise. Some state theirs has been going strong for years with little maintenance while others say theirs died after 3 months or so. Problem is the reviews are mixed at best. Not for everyone, but i like them & will continue to use. I recently got a much more powerful return pump and started looking into getting the SCWD wavemaker. Also, plan on an oversized pump, one drawback is that you lose about 40% output with the SCWD & that's before I reduce down to 1/2". Other than that they work really well & keep extra powerheads out of my display. I also run 1/2" returns & just use reducers as close to rhe return nozzle as i can get, usually a foot or so. Never tried it myself, but the amount of time its been around must mean something. Also the 1" gets pretty poor reviews since they changed it so that you can break it down to clean it. Posted OctoThis product has been in the aquarium trade since I started in it almost 20 years ago. But most of the setups I have seen with wavemakers were on smaller tanks. I have seen outputs mounted in both the back of the tank pointed forward and in the front of the tank pointed to the rear. I just don't know where the best place to mount the four outputs would be. A couple things that I've noticed.they need to be cleaned about every 6-8 months, which for me entails soaking in vinegar for about an hour while i do a water change/tank maitenance, then a good rinse. I am now getting ready to redo my plumbing by adding a SCWD wavemaker. I bought a backup in case I needed to swap out a few years ago & it's still new & will be using it on my new tank & keeping the original as a backup. You have to have 2 returns to alternate the flow, but other than that mine has been going strong. The SCWD (pronounced 'squid') is a revolutionary device designed to provide alternating currents without the use of electricty. 've been using SCWD's for random flow for 6+ years & am still using my original (used) one. Never tried it myself, but the amount of time it's been around must mean something. What is SCWD SCWD is a water switching or current generating device.Of course this is before plumbing and possibly the SCWD.This product has been in the aquarium trade since I started in it almost 20 years ago. SCWD Wave Maker (Switching Current Water Director I have around 4.5 feet of head pressure so the MAG7 would be around 500 gph and the MAG 9.5 would be 800 gph. Cramer Professor of Physics Department of Physics University of Washington P.O. Also while I have your attention, which pump would you suggest with a 55 gal. Each pump will return the water via a 3/4 inch pipe and connected to a SCWD about 3 feet up. I guess with all of my rambling is.if you have a SCWD do you like it? Is it worth getting the PHs out? I have this money invested in PHs and wavemaker and don't want to jump on something I may not be happy with, but like I said earlier.would love to get those PHs out of the tank. However, not having 2 PHs in the tank would look better.Man I spent hours last night debating this while looking at my tank and the current flows (really happy with them by the way). The question on my mind.do I go ahead and get the SCWD and plumb for that and get two of my MJ1200s out of the tank? I think I would like the SCWD but the wavemaker's options (feeding, night time mode) are great. I am going to be upgrading my sump pump from a 300 gph to either a MAG 7 or MAG 9.5. I currently have a Red Sea wave maker and 3 MJ1200 in my 55 gal.
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