3reef Forums - View Single Post - new tank set up need help with overflow/sump

Hoverman · 01-20-2008, 08:20 PM

make sure you have a breather hole drilled in the top of the snorkel. if there isnt the water will not drain until it builds up enough pressure to push through the vacum created by the air trapped in the snorkel (standpipe)

01-20-2008, 08:20 PM	#2 (permalink)
Hoverman Astrea Snail Join Date: Dec 2007 Location: Cali Posts: 66 Karma: 8	make sure you have a breather hole drilled in the top of the snorkel. if there isnt the water will not drain until it builds up enough pressure to push through the vacum created by the air trapped in the snorkel (standpipe)