Aquarium safe paint for PVC?? - The Planted Tank Forum
 
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post #1 of 12 (permalink) Old 11-12-2007, 03:14 PM Thread Starter
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Question Aquarium safe paint for PVC??

Bought some schedule 40 pvc pieces at Lowes yesterday, for a DIY overflow and sump.

I was wondering if there was any way to paint schedule 40 pvc to blend in better and that would be aquarium safe?

Keep in mind I have an XXL Pleco that likes to chew on driftwood. Will it also chew on the PVC?

Jim
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post #2 of 12 (permalink) Old 11-12-2007, 03:25 PM
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Krylon for Plastic is aquarium safe - give it plenty of time to dry.


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post #3 of 12 (permalink) Old 11-12-2007, 03:35 PM
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Krylon for Plastic is aquarium safe - give it plenty of time to dry.
Yeap...they are safe. Give it at least a week to dry.

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post #4 of 12 (permalink) Old 11-14-2007, 12:31 PM
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I agree with the krylon fusion spray paint. From my experience, I think that probably all of the spray paints are safe---once dry. But the krylon fusion definitely seems to be the most durable. Their "camo" colors seem to hold up the best--IME.

Worth the extra money......

As an added thought: I have used painted items in the tank in slightly under 24hrs without a problem. I normally try to give stuff a couple of days (48hrs).


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post #5 of 12 (permalink) Old 11-14-2007, 12:49 PM
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I was thinking about this exact question yesterday. There's something called vinyl dye that might be better than paint for some purposes. Instead of a coating, it penetrates into the plastic, so it would be impossible to chew off unless your pleco chews through the pipe itself.

Unfortunately, I don't know whether vinyl dye is nontoxic or where to buy it.
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post #6 of 12 (permalink) Old 11-14-2007, 01:01 PM
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Apparently its an automotive product:

Google--vinyl dye


I would assume its non-toxic when dry, but I would also assume its made for something like vinyl cloth, etc---upholstery type materials.


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post #7 of 12 (permalink) Old 11-14-2007, 01:15 PM
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Quote:
Originally Posted by Naja002 View Post
Apparently its an automotive product:

Google--vinyl dye

I would assume its non-toxic when dry, but I would also assume its made for something like vinyl cloth, etc---upholstery type materials.
I looked a bit farther, and vinyl dye does work on hard pvc (aka polyvinyl chloride.)
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post #8 of 12 (permalink) Old 11-14-2007, 01:30 PM
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Back when I raced RCs we used to use Ritt dye on the vinyl parts to customize them. I wonder:
1) how it would hold up?
2) is it aquarium safe?

Walter

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post #9 of 12 (permalink) Old 11-14-2007, 09:06 PM
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I've used the vinyl dye spray alot, mostly on PC parts and other plastics, but never in an aquarium so far.

I've been considering spraying the blue-ish elbow next the spraybar on my xp3 with the stuff for the last week but havent as of yet.

The stuffs a great and durable product but the fumes are pretty potent while using and linger on the product for a long time afterwards.


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post #10 of 12 (permalink) Old 11-15-2007, 04:36 PM
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I sprayed my spraybars I made out of PVC with Krylon Fusion satin black, 3-4 coats, and gave a good few days to dry. I have noticed though that it scratches off really easy? I think it said on the bottle no prep is needed but maybe I should have sanded the surface lightly. Dont know, its still in the tank though.



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post #11 of 12 (permalink) Old 11-15-2007, 05:15 PM
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Let us know how it lasts.

Alternatively, when I was at Lowes the other day they had a bunch of sched 80 pvc that was predominantly grey with a few pieces in black.
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post #12 of 12 (permalink) Old 11-15-2007, 05:51 PM Thread Starter
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Quote:
Originally Posted by crazy loaches View Post
... it scratches off really easy?
Which is why I am worried about my XXL Pleco chewing on it.

That thing must be nearly 20 years old! I almost lost it once when I got some fish from a new LFS---within a month half my fish were dead, including the Pleco's two 'brothers'.

Jim
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