Water – Rust and misty glass door, repair or replace

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My daughter shoot water gun at our balcony glass door, water got in between glasses, now it's rust and misty.

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We got a handyman to paint walls last week. We let him take a look. He said it has to be replaced.

I want to double check whether it is fixable and worth repairing first. If so, is it something I can do myself and how? Thanks.

Best Answer

The seal would have had to have failed BEFORE your daughter squirted water on it. Her water getting in just alerted you to the problem. Give her a cookie and apologize for making her feel bad...

In general it would cost more to try to clean and reseal it than it would cost to buy new sealed units.