siskiou Posted April 22, 2006 Share Posted April 22, 2006 The temperatures are going up here and with all the lights and the refugium light on, temps are going up 4 degrees, unless I run a fan over the sump. Currently I have one going on a timer, but it's not keeping the temp as steady as I'd like. I'm looking at some variable speed fans on ebay, but am not electrically savvy enough to know what kind of power supply I need to wire it into. Help? scratch -Susanne Quote Link to comment Share on other sites More sharing options...
Guest Ahbrit Posted April 22, 2006 Share Posted April 22, 2006 i use a fan controller from a PC (not runing right now ~ already too much evaporation) It will sense temperature and adjust the fan speeds accordingly. the one i have controls 4 fans. you have to watch out you don't get water on the probes though. Best way is to put it in a test tube and fill it will silicone, then drop it in your sump. Most of them have an alarm also for high temps. You need a 12v convertor to run them Quote Link to comment Share on other sites More sharing options...
siskiou Posted April 22, 2006 Author Share Posted April 22, 2006 Thanks! So, a variable speed fan with a temp sensor isn't going to do it? I also need a fan controller? Obviously I need a lot of help with this! Will *any* 12v converter do, or are there differences? -Susanne Quote Link to comment Share on other sites More sharing options...
Guest Ahbrit Posted April 22, 2006 Share Posted April 22, 2006 If you can get by with one fan then sure i was thinking bigger, my bad (I tend to overthink things) What will it be like in Summer though? i ran a 46g all last summer only manageing to get the heat down to 82 Quote Link to comment Share on other sites More sharing options...
Guest Ahbrit Posted April 22, 2006 Share Posted April 22, 2006 most 12v convertors will do as long as you don't exceed the max amps but you wont need any of what i explained you if buy the fan with controller built in Quote Link to comment Share on other sites More sharing options...
siskiou Posted April 22, 2006 Author Share Posted April 22, 2006 Thanks again! We will run an air conditioner in the living room, once it really heats up, but I'm not sure how hot this tank will get. The 20H has been okay with nothing else, but this 40G (with 20G sump) has only been set up for a few months. Nothing much is in it, yet (just got the main live rock today and it's curing in a tub). The tank currently has sand and a few pieces of cured live rock, plus a small cleaning crew in it. And some rubble and macro in the fuge. Quote Link to comment Share on other sites More sharing options...
Palani Posted April 22, 2006 Share Posted April 22, 2006 I've got 2 Icecap fans for sale that have a temp. probe that determines the fan speed. PM me if you want a cheap price. Quote Link to comment Share on other sites More sharing options...
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