New answers tagged caulking
I found a pretty good product at Menards called Seal-A-Tube made by Core Gear. It's a plastic cap with a long plastic pin inside of it that goes into the caulk hole that you've cut open. They cost less than $2 each. I tried one out and liked it so much I bought about 5 more. So far, every tube I've taken this cap off of was ready to go again and not dried ...
A blob of your kid's modeling clay works great. It will hold up for the long term, too. Make sure you use the oily reusable modeling type of clay that never gets hard. Roll a three-quarter-inch ball, stick it over the hole, then pinch it around the top of the nozzle to seal off the air.
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