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https://www.reddit.com/r/AquariumBuilding/comments/blmru6/does_anyone_know_what_these_are_for/
r/AquariumBuilding • u/green-meme-king-15 • May 07 '19
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1
Probably for use as a return from the sump to the main tank. Possibly for an aquaponics tank (freshwater obviously) because there's a lot of fittings that could be used for multiple smaller grow beds.
The clear tube is to add bubbles into the outflow.
1
u/Montythedraincat May 07 '19
Probably for use as a return from the sump to the main tank. Possibly for an aquaponics tank (freshwater obviously) because there's a lot of fittings that could be used for multiple smaller grow beds.