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I am using Oatey purple primer with Oatey medium gray pvc cement. This is a 2 inch PVC pipe job for pool pump to filter.

I have a joint where I applied purple primer then realized I am not ready for the fitting so I need to leave it overnight. This fitting is to an ABS filter valve. I realized I need Green ABS to PVC transition cement and will get some tomorrow.

Can I add some fresh primer on the PVC pipe before I glue it the next day with green PVC to ABS cement? Or must I cut off that piece of pipe and start over?

  • you can use it now no need to cut it off. Most people don't let the primer dry prior to fitting the pieces. I thought PVC-ABS was for vent lines not pressure lines – Ed Beal Mar 21 '16 at 14:03
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yes, you can use it, just re-prime it. You'll see that the fresh coat of primer with melt right through the dried primer.

  • How long can something that's primed sit before you should reapply primer? – Mazura Mar 21 '16 at 19:28
  • @Mazura if it's still wet, you can use it. If it's dried, reapply. – DrewJordan Apr 1 '16 at 17:34
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Oatey says the cement is to be applied while the primer is damp.

So, apply a small amount of new primer before gluing and glue after it has dried for a half a minute or so.

http://newsite.oatey.com/Channel/FAQ.html#Q08

Oatey says NOT to use primer on ABS only cleaner.

http://www.oatey.com/products/plastic-pipe-cements-and-primers/oatey-primers.

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