Figure I'd add the latest thing I've made for my tank. This is by no means the first thing, but just figured it might be something others would like.
John guest bulkhead fittings are PM1208S and PM1212S
Used 1.5" OD 1/16" wall thickness acrylic tube
3.5mm mono audio jack and plug
And one screw on plastic jar: link
John guest bulkhead fittings are PM1208S and PM1212S
Used 1.5" OD 1/16" wall thickness acrylic tube
3.5mm mono audio jack and plug
And one screw on plastic jar: link