The Planted Tank Forum - View Single Post - Improved HOB intake

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post #11 of (permalink) Old 01-09-2013, 11:15 AM Thread Starter
PICKLES
Algae Grower
 
Join Date: Jun 2012
Location: Somewhere, Washington
Posts: 32
@The Dude: The intake tubing sits inside the tall pipe loosely. It doesn't need to be sealed to it as the water level inside the pipe is the same as the tank due to atmospheric pressure. However, the top of the tall pipe must be higher than the tank water level. The blue parts are the bio-balls.
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