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Old Yesterday, 10:18 AM   #1
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Join Date: Feb 2018
Location: Indiana, USA
Posts: 82
Aquarium Safe Black Paint to paint CPVC?


I'm going to be drilling my live rocks and using CPVC to 'connect' them / stabilize them. That said I'd prefer to have the CPVC black so it's not super obvious/contrasting - but I wasn't sure if I could just pick up any old black spray paint or if I needed something special to be aquarium safe?

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Old Yesterday, 11:34 AM   #2
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Join Date: Sep 2003
Location: North Carolina
Posts: 13,854
Its more expensive than regular PVC..

You can easily purchase PVC that has been dyed already..
Amazon,etc.. have it too..

Also.. why would you paint whats going to be covered up in a rock too? You won't see it..

In general there is really no paint that can be applied to PVC that will not flake off over time regardless of preparation,etc..

Some have had good luck with spray paints like Krylon Fusion (not made anymore AFAIK) or just any spray paint intended for plastic provided that proper prep (alcohol wipe down/light sanding,etc..) are done but the second you slide it into a rock you are likely going to scratch it right off..

Either buy colored (dyed) or just skip it IMO..

However.. to answer your "safe or not" question.. Most if not all spray paint is "aquarium safe" once fully cured/dried..

Being blunt and having fun
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Old Yesterday, 11:49 AM   #3
Deep Reef
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Join Date: Apr 2013
Location: Plantation, FL
Posts: 1,192
Long term if it is exposed it will be covered with coralline no need to paint

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Deep Reef
150g DT, (2)AI Hydra 52 HD's, Vertex Omega 150 skimmer, jebao 1200DC main pump, Trigger Systems Sapphire 34 sump, (2) Ecotech WP40wQD, Tunze ATO, Apex

Current Tank Info: 120g Reef
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Old Yesterday, 03:58 PM   #4
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Join Date: Jan 2006
Location: Huntington Beach, CA
Posts: 2,882
If you want PVC that looks better, used colored:

I have used black krylon fusion on my previous overflow standpipe, no problems noted, although as stated it will simply wear off over time.

80g Aiptasia dominated reef tank.. with fish and now a bunch of berghia!

Current Tank Info: 80g tank, re-starting a reef after a zoanthid nudibranch plauge, followed by months of steady and unstoppable STN/RTN, crashed; stayed FOWLR for a couple years, currently an aiptasia dominated reef tank with fishies and BERGHIA
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