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WTB......Coarse coral crush for sump.

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ej ray,

with the oyster shells, you just boil em, crush em and then put them in a media bag? that's it?

HIya Matey

yep u can leave em like they are, or i juss give me light bang up with a hammer in an old bag, rinse em out and away u go, they are brilliant,

quite funny but goin into your local seafood shop and ordering oysters, but shells only :)

i sometimes leave the whole shell juss in one of the baffles in the sump without the bags, or fill a bag and away u go.

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