Fixing scratches?

Delphinus · #1 09-01-2006, 11:06 PM

With glass, I don't really know. Supposedly there is some kind of kit you can buy to buff out scratches from car windsheilds, but I kinda doubt it would work real spectacularly.

Acrylic of course should be possible to buff out.

My 75g which is my main reef, the tank is pretty old and it's scratched up pretty badly at the bottom (I think the guy before me had a silica based DSB in there). If I keep it spectacularly clean (razor blade clean) then you don't notice the scratches as much. Of course, not having a scratched tank would be much nicer, but whatcha gonna do..

Flusher · #2 09-02-2006, 12:19 AM

"Jeweller's Rouge" should take out scratches from glass. I never tried it, since I didn't want to empty my tank to buff out the scratches. It might be worth a shot if the tank is empty when you get it.
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Midknight · #3 09-02-2006, 02:59 AM

Ok, so where would someone find this "Jeweller's Rouge"?

Flusher · #4 09-02-2006, 03:04 AM

That I couldn't tell you.

Try an online search, or call local glass shops.
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MikeP · #5 09-02-2006, 05:07 AM

I'm having the tank re-trimed and re-braced (150 bucks) I asked the guy thats doing it about getting rid of scratches and he said all you can do is replace the front glass (another 150 bucks). Now we're getting close to the price of a new tank! The only reason I'm able to set up a tank this size is cause I'm getting most the stuff for free. I will call a glass shop and ask them about buffing scratches out. Unless someone can tell me a method that had worked for them. I will also check into that jeweller's rouge.

Stumped · #6 09-02-2006, 05:24 AM

Cerium oxide and a buffer/attachment for a drill will remove scratches in glass. Google it for more information.

hawk · #7 09-02-2006, 05:59 AM

It will really depend on how deep the scatches are. If they are deep enough to feel, even in the slightest (use a pin to drag across the surface) you will need to grind them out way before you start polishing with any compound. Cerium oxide will be a final step in a very long process. In theory you can grind out scratches in any surface followed by polishing but the work involved in even minor scratches in glass is huge. Unless it is a very large tank with very minor scratches I would check into having the front pane replaced.