Growth or corrosion on aluminum transom

Kingfisherblues · Tuesday at 9:42 PM

My brother just gave me a 1980 Lowe 16 ft aluminum boat. The boat has no leaks, but I have some concern over what looks to be corrosion on the bottom 6" of the transom. I scraped some off with a putty knife and it does not appear to be deep pitting at least. The boat has never been in saltwater.

Looking for some advice on how to remove whatever it is.

LDUBS · 2024-09-18T15:18:12-0400

I think it is lake and/or river scum. Clean it off and enjoy!

GTS225 · 2024-09-18T15:55:33-0400

Is that on the inside, or outside of the hull? I see plywood to the left of you pic, so am wondering if it's inside.

Roger

Kingfisherblues · 2024-09-18T17:40:54-0400

GTS225 said:
Is that on the inside, or outside of the hull? I see plywood to the left of you pic, so am wondering if it's inside.

Roger

It's just on the outside. that wood is bolted to the transom where the motor mounts.

DaleH · 2024-09-18T19:48:49-0400

Scrape clean, scrub/wash with white vinegar, rinse … done!

airshot · 2024-09-18T21:20:23-0400

Worse case would be a SS wire wheel, but with today's chemicals, you should be able to get that off.

Growth or corrosion on aluminum transom

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Growth or corrosion on aluminum transom

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