Thats what I was worried about. I have no idea what they use to insulate the inside of a cooler lid. The reason I thought of using a cooler vs. rubbermaid was to cut down on noise from the bubblers. I don't know if it would be worth it...I've also never seen a DWC system outside the hydro shop and its always pretty loud in there but from what I understand the bubblers can make a fair amount of noise. I need it to be virtually silent during the dark cycle when the fan is off.

-Doyu

:jointsmile:

*edit* I'm sure I could make the appropriate holes with a dremel tool...I'm just worried about having to seal in some kind of foam insulation or something.

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Everything I say is a lie or copied from another source and is purely for entertainment.