Hello can anyone tell me if a small metal screw that has fallen into my sump will have any adverse affects on my reef system the sump holds about 60 gallons and the tank 90 gallons. It has fallen out of the light fitting and I have not been able to find it it is no more than half an inch any help would be much appreciated.

dont quote me,but i think it should be ok!...its mainly copper you have to worry about with reefs,but then if ya can hoik it out, always best to

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from a light fitting i would have thought it was stainless steel. ..... a magnet perhaps?

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no get it out ..it might be stainless but what if its not ...it will mess all ya salt water as it corrodes ..and the corals will start to suffer...i know cuz ive done it ..

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always better not to take the risk ,I agree with stevebrillo , get it out.

I think we are all have the same view .......Get it out.........

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I think if using a magnet make sure all equipment is off, defo turn pumps off.

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