9 replies to this topic

[VolFan]

Did anyone ever figure out how to stop this? My chest freezer's rust spots are getting bigger on the inside. With summer coming up and me using it more often for temp control it will continue to get worse. I use the Damp Rid stuff but am not real fond of it.I'd like to find a permanent solution if possible.

[Trub L]

Did anyone ever figure out how to stop this? My chest freezer's rust spots are getting bigger on the inside. With summer coming up and me using it more often for temp control it will continue to get worse. I use the Damp Rid stuff but am not real fond of it.I'd like to find a permanent solution if possible.

I don't know if there's a great permanent solution. I'd just try some krylon on the rust spots. You don't need a really high performance heat transfer, so that should be okay. They make the kind that's supposed to adhere well to rusted metal.

[Mudd]

I can't help but think that there is an airleak that allows the warm humid air in and it condenses inside.There is a product that applied after sanding the worst of the rust, converts the remaining rust to an oxide that prevents further rusting.When applied, it typically turns the remaining rust black as it forms the protect layer.Once it dries, you just paint over it whith a high quality enamel.Anyway, untill the leak is sealed the problem will keep reappearing.Or is someone leaving door open at night??

[VolFan]

I have to get in there ever so often to check the gravity and such. Add to that the TN humidity and it probably doesn't take much.Might look at Lowes next time Im there for the product you mentioned.

[djinkc]

Where's the rust? When I put mine together I had read enough times that you want to silicone caulk the seams - which I did. No rust so far but it was a new freezer.

[VolFan]

Its on the inside walls of the freezer, all 4 sides. I just looked at the seal and it could probably be replaced. Its an older freezer too I got for cheap off Craigslist.

Edited by VolFan, 29 March 2009 - 03:37 PM.

[djinkc]

Its on the inside walls of the freezer, all 4 sides. I just looked at the seal and it could probably be replaced. Its an older freezer too I got for cheap off Craigslist.

I'd just hit with one of the rust bonding paints, something else will fail before that gives up the ghost. Guess a new seal wouldn't hurt. It gets pretty humid here too during the summer but I've never used damprid in the kegerator. I keep it pretty cold so most condensation freezes on the walls. Fermentation chamber with the A/C unit - have to use damprid in the summer.

Edited by dj in kc, 29 March 2009 - 03:46 PM.

[Mudd]

I have to get in there ever so often to check the gravity and such. Add to that the TN humidity and it probably doesn't take much.Might look at Lowes next time Im there for the product you mentioned.

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[Stout_fan]

When you get a chest fridge, the FIRST thing you do is silicone caulk all the seams.I found that out the hard way.To remove rust as mentioned, there are paints. But I'm getting the drift here that it is spotty rust. The paints will work, or you can use a phosphoric acid wash first and convert/clean the rust. My old keggerator lid was like this. Here's what I did:1. Wire brush the big chunks off. Some paint was starting to lift. So you have to get down to the base metal.2. With gloves and safety glasses on, acid wash and convert the remaining surface rust.3. Second acid applicaion if require.4. Wet towel the remaining acid off.5. Dry. Real dry, like wait a day.6. Spray white gloss enamel paint.looked like new when I was done.

[DuncanDad]

To control moisture, have you tried putting some charcoal lumps in an open paper bag?It works most of the time.Dried rice does too.