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#1
03-11-2009, 11:35 AM
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powerheads are a no go in a larval tank because they'll chop up the larvae. the fan im talking about isn't what you're thinking about... it's a modified variable speed ceiling fan with a gearbox that makes it run slow... about 1rpm. the fan diameter is about a foot and a half across and the tank is 5 feet in diameter. the fan motor is on the ceiling and a shaft and fan propeller reaches down into the water. Your input is much appreciated though.
anybody know if the red sea will do the job for me? Last edited by justinl; 03-11-2009 at 11:40 AM. 
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#3
03-11-2009, 12:13 PM
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Easiest way I know is with 2 Omron Timers. Most Electrical wholesalers/commercial contractors will have Omron Timers. H3CR is the model code I use. With the 2 timers, you wire them up so the one sets on time, then the other sets the off time. You will probibally not find a ready made timer setup for purchase for your unique application. If you need help, I can draw you out a wiring schematic for wiring. They should also be able to help you at the Elec supply store
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Dan Pesonen Umm, a tank or 5
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#4
03-11-2009, 03:26 PM
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I came across this thread on Reef Central and it may be just what you are looking for:
http://www.reefcentral.com/forums/sh...5&pagenumber=1 It is a lgihting timer but you can control the intervals. Sounds like it might be what you need. Here is a link where you can get it: http://www.progearwarehouse.com/Chauvet-SF-4005 I'm considering getting one, just trying to figure out the best/cheapest way to get it to canada.
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#5
03-11-2009, 03:35 PM
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Wrong time of year but I used to use christmas light timers, basically they plugged into the wall and then your christmas lights would plug into them. I got them from the dollar store and they worked awesome on hagen/MJ powerheads. You might try that route.
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Christy's Reef Blog My 180 Build Every electronic component is shipped with smoke stored deep inside.... only a real genius can find a way to set it free.
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#6
03-11-2009, 11:08 PM
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thanks for the input guys. I will definitely look into that DJ light timer... In fact I'll probably pick one up for myself while I'm at it since it looks like a very cheap alternative to a wavemaker and would do well on my own tank at home!
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#7
03-11-2009, 11:13 PM
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I can see that the trick to this is going to be getting the on/off adjustable to the second. There are lots of timers, but they are limited to on/off by minute.
I control my peristaltic pumps to the second with my Aquatronica...but I'm sure you don't want to go that extreme.
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400 gal reef. Established April, 2007. 3 Sequence Dart, RM12-4 skimmer, 2 x OM4Ways, Yellow Tang, Maroon Clown (pair), Blonde Naso Tang, Vlamingi Tang, Foxface Rabbit, Unicorn Tang, 2 Pakistani Butterflies and a few coral gobies My Tank: http://www.canreef.com/vbulletin/showthread.php?t=28436
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