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Stripping paint off tank

Discussion in 'Tanks, Valves and Bands' started by BassO, Oct 17, 2020.

  1. BassO

    BassO Angel Fish

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    I came into possession of two tanks that a previous owner's kid had 'livened up' by purposefully dripping paint all over it. The result is... not appreciated. So I'd like to see if I can strip that layer of paint. Are there any special conditions concerning paint on cylinders? Can I just use paint stripper? Can I just repaint the cylinder if I happen to clean the original paint with it? Should I skip the stripping and just add a new layer of paint (and if so, any particular type)?

    Edit: I forgot to mention they are steel.
     
  2. rjack321

    rjack321 ScubaBoard Supporter ScubaBoard Supporter

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    What kind of tank?

    Citrus zip strip works ok but need to be warm outside to activate and work well. If its an AL80 just leave it bare. Repainted tanks are a huge red flag at VIP time because powder coating requires heat and heat kills the temper in aluminum. If its a spray galvanized painted faber you can use any kind of spray paint.

    https://www.lowes.com/pd/CitriStrip-Stripping-Gel-1-QT/1000567963
     
    Boston Breakwater likes this.
  3. Ghost95

    Ghost95 Barracuda

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  4. rjack321

    rjack321 ScubaBoard Supporter ScubaBoard Supporter

    # of Dives: 1,000 - 2,499
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    Zip strip has methylene chloride in it and is pretty bad for you. Definitely only use outdoors
     
  5. Ghost95

    Ghost95 Barracuda

    # of Dives: 1,000 - 2,499
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    Follow all the precautions and wear PPE, especially goggles and gloves. If you get any on your skin you'll wish you covered up. It will burn.
     
    rjack321 likes this.
  6. rsingler

    rsingler Scuba Instructor, Tinkerer in Brass Staff Member ScubaBoard Sponsor

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    If you have a particularly difficult coating like some epoxy paints, after you apply the stripper, wrap the tank in heavy plastic and wait overnight. It's much easier to scrape this way. It may take several applications.
     
    D_Fresh and rjack321 like this.
  7. BassO

    BassO Angel Fish

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    Thanks! I forgot to mention they are steel. This probably makes it easier.
     
  8. happy-diver

    happy-diver Skindiver Just feelin it

    # of Dives: 1,000 - 2,499
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    Rub it back to the original paint that's sound and paint over that

    full.jpg

    That's what happens here!
     
  9. Lostdiver71

    Lostdiver71 ScubaBoard Supporter ScubaBoard Supporter

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    I have a Steel Faber and was advised to use Rustoleum Aircraft Stripper by someone who has done many steel tanks and then paint them with cold galvanizing paint. I have used CitriStrip very successfully on Aluminum Tanks.
     
  10. rsingler

    rsingler Scuba Instructor, Tinkerer in Brass Staff Member ScubaBoard Sponsor

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    I just took my steels down to bare metal with that stripper. There were enough gaps in the original zinc coating that I did a Rustoleum Cold Zinc repaint. But the zinc is very powdery and comes right off. So I spot repainted the gaps and then did a semi gloss spray Rustoleum poly overcoat
    Came out great! And it's been durable.
    Resized_20200730_074057.jpeg
     
    Lostdiver71 likes this.

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