Fusion on glass. Sand first? - The Planted Tank Forum
 
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post #1 of 15 (permalink) Old 10-31-2008, 03:13 AM Thread Starter
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Fusion on glass. Sand first?

I plan on spraypainting the back of a tank using Krylon Fusion. Surface prep for smooth surfaces like glass or plastic typically involves sanding, to provide additional surface area for the paint to adhere to.

Of course, in this particular situation, the paint has to look nice from the inside of the tank.

Should I wet sand the glass, or do you think it might dull the finished appearance?
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post #2 of 15 (permalink) Old 10-31-2008, 03:45 AM
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I've never used Fusion (or any other spray paint) on the back of a tank, but generally just a good cleaning and wipe down with alcohol is good enough prep IME.

I usually use a flat black latex paint applied with a roller myself.


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post #3 of 15 (permalink) Old 10-31-2008, 03:49 AM
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Clean the glass and paint like so.
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post #4 of 15 (permalink) Old 11-02-2008, 03:24 AM
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do not sand the glass. clean it so its clean and paint it. 2 light coats 5-10 minutes between each other. heavy coates dont work well with any spray paint.
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post #5 of 15 (permalink) Old 11-03-2008, 02:00 PM
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I would be hesitant to use Krylon, as it is designed to bond with plastic, Namely, i'd be worried about what effect the solvents would have if you get any overspray onto the silicone or plastic trim. used this stuff rather frequently for paintball applications, and while I don't notice any degradation of my plastic mask or loader bits, they aren't under constant load like most plastic or silicone in an aquarium is.

Latex paint would probably be a better solution IMHO.
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post #6 of 15 (permalink) Old 11-03-2008, 02:23 PM
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Krylon Fusion works well for the aquarium Walking_Target. I have painted the back of my tank with 3 light coats of black and used white on the side of my drop checker so its easier to read and never had problems at all.
post #7 of 15 (permalink) Old 02-24-2009, 02:34 AM
 
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Went to Fred Meyer with my mind being set on getting "Krylon Fusion Satin Black Finish"...

Get there...

They don't have any Krylon Fusion with Satin finish, just flat black

And the only satin finish they had was Krylon but it wasn't fusion, and amongst those they were split up into outdoor and indoor/outdoor.

I left confused

I googled Krylon Fusion Satin Black and it exist.
Where do you guys normally pick up your krylon fusion paints?
I tried a local home depot and they don't carry the krylon brand.
And of course I tried Fred Meyer to no avail. Thanks for help
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post #8 of 15 (permalink) Old 02-24-2009, 03:08 AM
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try Walmart
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post #9 of 15 (permalink) Old 02-24-2009, 03:14 AM
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I use windex then paint
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post #10 of 15 (permalink) Old 02-24-2009, 04:23 AM
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I used Windex, then rubbing alcohol, then painted.

Krylon fusion is also designed for glass according to the label.

I got mine at Walmart

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post #11 of 15 (permalink) Old 02-24-2009, 07:36 AM
 
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I'll call lowes and if not and hour drive to walmart it is.
Thanks for the heads up everyone
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post #12 of 15 (permalink) Old 02-24-2009, 10:03 AM
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please dont bother trying to sand the glass. you will only waste your time and put light scratches into the glass, although they probably wouldnt be visible after painting.

I think that since you are going to be viewing the paint in reverse through the glass it will still end up with a gloss look even if you use a flat finish paint. It shouldnt really matter what type of spray that you use IMO since it will be on the outside. So i wouldnt hesitate to use rustoleum or whatever. You could use an automotive type paint like duplicolor also. any of them should bond to the glass just fine.

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post #13 of 15 (permalink) Old 02-24-2009, 01:16 PM
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I use a scuff pad and lightly scuff the glass, then I use any satin black finish I can find at home depot. The paint doesn't matter at all, I only use satin for a uniform finish.

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post #14 of 15 (permalink) Old 02-24-2009, 05:05 PM
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Originally Posted by DiscusIt'sWhats4DinneR View Post
please dont bother trying to sand the glass. you will only waste your time and put light scratches into the glass, although they probably wouldnt be visible after painting.

I think that since you are going to be viewing the paint in reverse through the glass it will still end up with a gloss look even if you use a flat finish paint. It shouldnt really matter what type of spray that you use IMO since it will be on the outside. So i wouldnt hesitate to use rustoleum or whatever. You could use an automotive type paint like duplicolor also. any of them should bond to the glass just fine.
I agree, and you really don't want to get too good a bond between the paint and glass. Inevitably you will want to remove the paint at some time, so you just want a good enough bond to keep the paint on, but not so good it is hard to remove. The cheapest and lowest quality latex paint you can get is perfect for this.

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post #15 of 15 (permalink) Old 02-24-2009, 05:20 PM
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Scuffing isn't needed. Just degrease (rubbing alcohol) and spray. I have 2 tanks that I spray painted and one that I rolled latex on. No issues with either. Even dragging my HOB filters along the back didn't scratch the paint.
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