The Planted Tank Forum - View Single Post - algae in HOB tubes
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Old 02-18-2013, 08:12 PM   #2
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A hose brush may work... like this one Marina Hose Brush: Pet Supplies Marina Hose Brush: Pet Supplies

You'd push the plastic part through first, so you can pull the brush through last. You might need a long pair of hemostat pliers or similar to grab the end through the shorter length of tube after the bend.

I have a bunch of these in various sizes that I use to keep my filter tubing and various components clean.
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