Horrible White PVC - The Planted Tank Forum
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post #1 of 20 (permalink) Old 04-05-2015, 08:54 PM Thread Starter
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Horrible White PVC

I'm redoing a reef tank and turning it into an Amazonian Basin, planted with driftwood. I will have a 120 gal tank with 35 gal sump/wet-dry setup for filtration. Since no one really makes 3/4" spray bars, I plan on using PVC, but cannot stand the bright white color. I was thinking of using Krylon spray paint (the outdoor, water proof kind made for plastics). Has anyone used it for their tanks? (The cool thing about reef tanks is that coralline algae love to grow on it, so it camouflages PVC beautifully...too bad it doesn't grow in fresh water).
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post #2 of 20 (permalink) Old 04-05-2015, 08:58 PM
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Krylon fusion is all good!
Reef safe even!

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WHERE'S YOUR RAMS MAN?

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post #3 of 20 (permalink) Old 04-05-2015, 09:01 PM Thread Starter
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Outstanding. "Tanks a lot."
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post #4 of 20 (permalink) Old 04-05-2015, 09:14 PM
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Make sure to rough up the PVC with low grit sandpaper before spraypainting it or else it will start flaking off after several months. Roughing up the PVC will also make the Krylon have more of a textured flat black appearance instead of a glossy sheen finish.

I have used Kyrlon before on PVC in my tank and it was totally fine, except it did flake off after about a year, because I hadn't roughed it up.

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post #5 of 20 (permalink) Old 04-05-2015, 09:16 PM Thread Starter
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Originally Posted by PhysicsDude55 View Post
Make sure to rough up the PVC with low grit sandpaper before spraypainting it or else it will start flaking off after several months. Roughing up the PVC will also make the Krylon have more of a textured flat black appearance instead of a glossy sheen finish.

I have used Kyrlon before on PVC in my tank and it was totally fine, except it did flake off after about a year, because I hadn't roughed it up.
Did you mean "Low Grit" like 80, or "High Grit" like 320 or 440)?
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post #6 of 20 (permalink) Old 04-05-2015, 09:34 PM
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Quote:
Originally Posted by Twistofer View Post
I'm redoing a reef tank and turning it into an Amazonian Basin, planted with driftwood. I will have a 120 gal tank with 35 gal sump/wet-dry setup for filtration. Since no one really makes 3/4" spray bars, I plan on using PVC, but cannot stand the bright white color. I was thinking of using Krylon spray paint (the outdoor, water proof kind made for plastics). Has anyone used it for their tanks? (The cool thing about reef tanks is that coralline algae love to grow on it, so it camouflages PVC beautifully...too bad it doesn't grow in fresh water).
food for thought:
How to dye PVC:
http://makezine.com/projects/make-30...olor-you-like/

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post #7 of 20 (permalink) Old 04-05-2015, 09:52 PM Thread Starter
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Great "How to" article, but is it safe for the fishes? Has anyone tried this technique?
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post #8 of 20 (permalink) Old 04-05-2015, 10:24 PM
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paint

Plastic dip in a spray can works great on any surface , and does great underwater. After its dried of course.
And no need to rough up the PVC before applying it. This stuff sticks to anything , and stays there.


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Last edited by rick dale; 04-05-2015 at 10:26 PM. Reason: edit
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post #9 of 20 (permalink) Old 04-05-2015, 10:43 PM
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Originally Posted by Twistofer View Post
Great "How to" article, but is it safe for the fishes? Has anyone tried this technique?
not me but the dye "type" seems rather insoluble in water..
Quote:
Oil Blue A, also called Solvent Blue 36, Solvent Blue A, Oil Blue G, Blue AP, 1,4-bis(isopropylamino) anthraquinone, and CI 61551, is a blue dye derived from anthraquinone. It has the appearance of a dark bluish-violet powder, soluble in acetone, benzene, and toluene and insoluble in water, with melting point 133-135 C.
Oil Blue A is used as a dye for polystyrene and acrylic resins, and in petroleum and inks. It has good resistance to light

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post #10 of 20 (permalink) Old 04-06-2015, 01:58 PM
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Originally Posted by Twistofer View Post
Did you mean "Low Grit" like 80, or "High Grit" like 320 or 440)?
Low grit, like 80 or 120 grit.

I'm skeptical of how plastidip would fare underwater in an aquarium, but if it does hold up well, it would be my first choice.

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post #11 of 20 (permalink) Old 04-06-2015, 02:32 PM
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You can also get gray pvc & fittings
an example.
http://www.usplastic.com/catalog/def...arentcatid=728
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post #12 of 20 (permalink) Old 04-06-2015, 06:06 PM
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You could also use the schedule 80 sprinkler pipe. It's almost black. And it glues with regular PVC cement.

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post #13 of 20 (permalink) Old 04-06-2015, 06:23 PM Thread Starter
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Quote:
Originally Posted by mistergreen View Post
You can also get gray pvc & fittings
an example.
http://www.usplastic.com/catalog/def...arentcatid=728
You've actually solved my problem indirectly. US Plastics makes a clear PVC pipe which would do me well.
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post #14 of 20 (permalink) Old 04-06-2015, 06:33 PM
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Clear PVC is a bit pricey but if you don't mind the price, go for it.
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post #15 of 20 (permalink) Old 04-06-2015, 07:42 PM
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Clean it well, rough it up optionally (but it helps), spray, let it dry a couple days (one works, two is better) and you are good. All my tanks have spray painted PVC all through them.

Linwood

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