Silicone in my 210g reef

[Clownfish25]

I purchased a 210g aquarium from a person on craigslist. I looked it over before buying and it was holding water just fine because he had it still running. My only concern is what the silicone looks like between the glass pieces. Attached are some photos. Would like to know your thoughts.

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[Masoniac]

The silicone in my 75 looks like that its been set up as fteshwater for a year and now a saltwater for the past two months holding water fine and mot noticing it getting worse.

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[Andrew1]

If I were you just to be on the safe side. I would put brand new sealant. That's just me. Imagine what a pain it would be to have to change it once you already have it established.


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