Quote:
Originally Posted by zeddy
my lights just whent out on my tank and i was looking at my new skimmer with a flashlight and was looking up at he bottom ofthe tank and seen thousands of very small worms going through the sand does anyone know what these could be
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Without a picture it is difficult to identify them but all is good.
Congratulations. You have a very healthy sand bed.
A healthy sand bed stabilizes your water and provides billions of tiny critters that your coral eat.
That is why it is not a good idea to add hermit crabs and some predator snails like bumblebee snails because they devour the worms.