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Originally Posted by ILIKECOUGARS
No problem with nitrates, was just wondering if there was any additional benefits of having live sand in the fuge.
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There are those that use sand and there are those that don't. IMO put sand in.
Tiny worms and other tiny critter breed in the refugium and their eggs or larvae find there way into the water and into your main tank where they become food for your coral and fish or brood stock in your main tank.