ArtResin puts red caps in the bottles to help minimize leaks during shipping. Once you open the bottles, go ahead and remove those red stoppers and throw them away.
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https://www.artresin.com/blogs/artresin/red-plugs-in-artresin-bottles
ArtResin puts red caps in the bottles to help minimize leaks during shipping. Once you open the bottles, go ahead and remove those red stoppers and throw them away.
Read More...
https://www.artresin.com/blogs/artresin/red-plugs-in-artresin-bottles