Orion January 2, 2014 Share January 2, 2014 These pumps are powerful. Compared to a Vortech I am finding that the flow is much more narrow/streamlined. Unlike the Vortech the ability to slow them down is not there, at least not by much. I have a wp25 on a 57 rimless and I can't run the pump on "Else" mode without creating a sandstorm. So how can you slow the Jebao pump down? Install the light sensor that comes with the pump, and put a piece of tape or anything else you can think of that will cover it. This will put the pump into night mode, and slow the pump down to 50% of whatever mode you have selected. I can now run the pump on "Else" mode in my tank which simulates a high energy reef current. Link to comment Share on other sites More sharing options...
DBL January 2, 2014 Share January 2, 2014 Great idea. Link to comment Share on other sites More sharing options...
SaltLife January 2, 2014 Share January 2, 2014 There are mods people have done to the jebao powerheads to lower them below 50 percent. I would give you some links but not easy to do on this phone. Google with give you the answers. Link to comment Share on other sites More sharing options...
Jason Rhoads January 2, 2014 Share January 2, 2014 If you want, I have LED dimmer switches that will slow down your pump. You can have them for free. I bought them thinking I would need them for my Jeabos, but I like them on full blast. Link to comment Share on other sites More sharing options...
Orion January 2, 2014 Author Share January 2, 2014 People have reported issues with the Jebao controller and pump not working when using dimmers to control the speed Link to comment Share on other sites More sharing options...
steveoutlaw January 2, 2014 Share January 2, 2014 My favorite solution would be to get a bigger tank!! Link to comment Share on other sites More sharing options...
JR-Tanked150 January 2, 2014 Share January 2, 2014 My favorite solution would be to get a bigger tank!! Lol Link to comment Share on other sites More sharing options...
Cliff Puckstable January 2, 2014 Share January 2, 2014 I don't think night mode keeps it in else mode. It just has a constant stream in night mode at less power. You have to get an external voltage adjuster. Link to comment Share on other sites More sharing options...
Jason Rhoads January 2, 2014 Share January 2, 2014 I don't think night mode keeps it in else mode. It just has a constant stream in night mode at less power. You have to get an external voltage adjuster. This is the way mine work while in night mode, but I have the previous version of the controller. Maybe the new ones are different. Link to comment Share on other sites More sharing options...
Orion January 2, 2014 Author Share January 2, 2014 I don't think night mode keeps it in else mode. It just has a constant stream in night mode at less power. You have to get an external voltage adjuster. Mine definitely still "pulses" in else / night mode. Link to comment Share on other sites More sharing options...
Cliff Puckstable January 2, 2014 Share January 2, 2014 Interesting. I didn't know they changed that. Link to comment Share on other sites More sharing options...
howaboutme January 3, 2014 Share January 3, 2014 If you want, I have LED dimmer switches that will slow down your pump. You can have them for free. I bought them thinking I would need them for my Jeabos, but I like them on full blast. Jason, I'll take the LED dimmer if you don't mind. I have a wp-25 sitting on the shelves because I haven't figured out how I am going to slow it down. People have reported issues with the Jebao controller and pump not working when using dimmers to control the speed I believe the issues were resulting from people dialing the pump down too far w/ the LED dimmers. The controllers need a minimum of 12V (of 24V) going to them. With the LED dimmer, it's not an exact science what is 50% so some people were dialing lower than 50% which would result in the controller/pump not working. At least that was the issue when I started reading about it 4 or 5 months ago. Link to comment Share on other sites More sharing options...
wangspeed January 3, 2014 Share January 3, 2014 The easiest way is to get an adjustable power supply. If you have the newest Jebao controller from Fish Street, it has this somewhat built in. Otherwise, you'll need something like this: http://www.amazon.com/Universal-Adapter-15V-18-5V-19-5V/dp/B004I5ERUW/ref=sr_1_15?ie=UTF8&qid=1388775434&sr=8-15&keywords=12v+24v+power+supply+adjustable Note, like it's been mentioned above, do not run it under 12V. Link to comment Share on other sites More sharing options...
Jason Rhoads January 3, 2014 Share January 3, 2014 Jason, I'll take the LED dimmer if you don't mind. I have a wp-25 sitting on the shelves because I haven't figured out how I am going to slow it down. It is all yours. I have two, so if you need another, or someone else wants one. It is up for grabs as well. Link to comment Share on other sites More sharing options...
bqq100 January 3, 2014 Share January 3, 2014 The easiest way is to get an adjustable power supply. If you have the newest Jebao controller from Fish Street, it has this somewhat built in. Otherwise, you'll need something like this: http://www.amazon.com/Universal-Adapter-15V-18-5V-19-5V/dp/B004I5ERUW/ref=sr_1_15?ie=UTF8&qid=1388775434&sr=8-15&keywords=12v+24v+power+supply+adjustable Note, like it's been mentioned above, do not run it under 12V. Does that mean if you run it on a 15V power supply that ELSE mode will only vary between 50% and 62.5%? I've been considering switching from my MP10 to 2 WP10's for better random flow. Link to comment Share on other sites More sharing options...
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