I need advice please: anti-rust product for cat enclosure

[cat_mioux]

While cleaning my cat enclosure I noticed a large patch of rust on the inside. I think the structure is made from galvanised something metal.

Is there something I can just paint on (it doesn't have to look pretty because it won't be seen by anyone except the cats.

I found an anti-rust primer paint at B. Is that the right product to use?

Thanks 🙂

[deadly-night-shade]

Fish oil! It does work and is non toxic. (the cat might like the smell too!) I think you can get it in any hardware shop.

[freakiness]

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@deadly-night-shade wrote:

Fish oil! It does work and is non toxic. (the cat might like the smell too!) I think you can get it in any hardware shop.

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I think fish oil is more a preventative than a converter.  

I cursed myself for not putting it on the clothesline, which recently fell to bits when I went to use it because it was rusted away.  The new one is getting a good dose of fish oil in the hope that it lasts longer than the 6 years the old one lasted.