Question about Grobo’s back panel, do you guys leave the back panel open?
Is it ok to do that? Not sure if we should keep the panel covered at all times to prevent dust/debris from going inside the machine
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Yes I leave mine open as do many others 
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Thanks!
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Like the entire back panel or the small door in the back?
Why would you want to do this?
the small back door - I ran an extra air pump and a usb power cable for a fan through the small door
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Oh, yes. That makes sense, I was worried if you meant the larger panel.
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