How to Fix a Crack in a Water Bottle

Cracked water bottles are a huge pain and can leave you with plenty of unexpected messes to clean up. The best thing to do is simply buy a new one, but if you find yourself in a bind, there are a couple of options. If you’re looking for a more long-term solution, apply some silicone sealant to the problem spot. If you’re on the market for a quick fix, use waterproof tape instead. Avoid using superglue, since it's not food-safe and isn't likely to work all that well.

[Edit]Steps

[Edit]Using Food-Grade Silicone Sealant

1. Apply a line of food-grade silicone sealant on top of the crack. Search online for a bottle of silicone sealant, which works like a waterproof glue. Before making any purchases, double-check that the sealant is food-grade since you’ll be drinking out of the repaired water bottle.^[1] Squeeze out a consistent line of sealant along the crack, as though you’re gluing both ends of the fissure together.
   
   • Spread the sealant along the entire crack.
   • Silicone sealant bottles come pretty small. Depending on the brand, you can get one for less than $10.
2. Wait for the sealant to cure completely. Read the sealant label to see how much time the product needs to dry, or cure, completely. Don’t pour any water into the bottle until that amount of time has passed.
   
   • You may need to wait several hours before you can use your water bottle again.
3. Test out your water bottle and see if it leaks. Fill your water bottle up and tighten the lid. As you did before, flip and shake your bottle around and see if you’ve successfully repaired it. Hopefully, your water bottle will be fixed and ready to go!
   

[Edit]Taping as a Temporary Fix

1. Find exactly where the crack is located. Look along the sides or bottom of your bottle for any obvious cracks or fissures. If you can’t find the crack right away, shake the bottle around to see where the source of the leak is.^[2]
   
2. Apply a strip of waterproof tape over the crack. Grab a roll of waterproof tape and rip off a strip that’s large enough to cover the fissure. Center the tape over the crack in the same way you’d cover a scrape with a bandage. Press along the edges of the tape to ensure that it’s in place.^[3]
   
   • Alternatively, use plumber’s tape instead.^[4]
3. Check your bottle to see if it’s still leaking. Fill your water bottle up with water, then shake it around to see if there are any leaks. If water is still leaking out, you may need to use a bigger strip of tape.
   

[Edit]Warnings

• If your water bottle is severely cracked, then repairs might be more trouble than they’re worth. You can find a cheap replacement online, or in any store that sells water bottles and sporting equipment.

[Edit]Things You’ll Need

[Edit]Using Food-Grade Silicone Sealant

• Food-grade silicone sealant

[Edit]Taping as a Temporary Fix

• Waterproof tape

[Edit]References

1. ↑ https://news.thomasnet.com/fullstory/food-grade-silicone-sealant-comes-in-standard-custom-colors-609101
2. ↑ https://m.youtube.com/watch?v=PlPe-ovKceQ&t=0m2s
3. ↑ https://m.youtube.com/watch?v=0xzN6FM5x_E&t=0m11s
4. ↑ https://m.youtube.com/watch?v=PlPe-ovKceQ&t=0m8s

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via Peter