How long does this last once opened? I only need about 1 cup for some small pin hole repairs.
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Thanks for your question Lin. It is recommended that this product is stored in a cool, dry location that is freeze/thaw stable. We do not recommend storing containers after they've been opened. If you have more questions about this product, please visit the product technical info section found on this page: http://www.tecskillset.com/tile-installation-products/grout-and-caulk/Tile-Premixed-Grout.html#.V3VaMpMrJ-1
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