Want to use computer fans for the reef

They most likely don't pull enough current to not be daisy chained anyway. Even still, with small wiring, it really wouldn't be hard to link them in parallel but then again, why not just do it the way you want the first time, rather than do what I seem to always end up doing...do one thing, then wish I'd done something else and change it all up again anyway.
 
Thank you for the inspiration. This is my DIY cooling system connected to my Aqua Medic controller.
 

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FYI - make sure you only use these to push air into your aquarium or sump. I had two of these set up as one push and one exhaust. The exhaust eventually got alot of salt creep on them and started smoldering - nearly caught fire.
 
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