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On my AC 20 filter, how far down the tank should the end the tube be? At the moment it is about half way. I was wondering if it should be closer to the bottom.
Both my Fluval C3 and Aquaclear50 came from the factory going only half way down. Heck, my el cheapo Aqua-Tech 30-60 from Walmart (which I just replaced with Fluval & Aquaclear) had the intake tube going all the way to the bottom, almost touching the gravel.
It's pretty much common sense the intake tube should go to the bottom. I just got the same extension tube you need: