Weck Jar FAQ and MightyNest Giveaway

plum jam

It used to be that Weck jars were precious things, hard to come by outside of Germany. Then people started discovering how pretty and useful they are. Suddenly, stores from Crate & Barrel to Williams-Sonoma and beyond began stocking them.

No explanation is needed when it comes to storing dry goods in Weck jars, but when it comes to the actual act of canning in them, newcomers sometimes need a little help. A couple years ago, I wrote a step-by-step guide to using Weck jars, and while I have no intention of reinventing that particular wheel today, I do want to pluck out a few of the most commonly asked questions about canning in Weck jars and highlight them here so that they’re easy to access.

mixed plums

How do you tell if Weck jars are sealed? You can tell that Weck jars are sealed because the little tab on the rubber seal will point downwards. You can also test your seal in much the same way that you do with Ball jars. Once the jars are cool, remove the clips and grasp the lid of the jar. Lift off the counter an inch or two. If the seal holds fast, you’re golden. If it starts to lose its seal or breaks the suction entirely, that’s a jar that needs to be refrigerated.

Can you reuse the rubber seal? In all printed materials available in the US, they don’t recommend that you use the rubber seal for Weck jars more than once. However, I’ve been told the instructions printed in other countries tell you that it is reusable until it is stretched out or begins to lose its elasticity. Because I don’t like to take chances, I replace the rubber seal with each use.

Can you pressure can in Weck jars? I have not tried it personally, but I was told that it can be done, provided you add a third clip to the lid, in order to help prevent siphoning during processing.

Is it possible to buy replacement clips? It is! You can actually easily buy replacement clips, rubber rings and even lids for Weck jars. MightyNest, sponsor of today’s giveaway sells all the replacement parts in their canning section.

multi-colored plum jam

Because Weck jars are quite a bit more expensive than traditional mason jars, I tend to save them for my favorite preserves. These are the recipes that I like so much that I tend to either keep them all for myself or share them with only those people who are truly deserving.

Plum jam is one of my most beloved preserves, because its flavor reminds me of the rummy jam my mom used to make with the fruit from our backyard trees, in Southern California, when I was very young.

For this jam, I combined 5 cups of chopped plums (a mixture of yellow and red) with 2 1/2 cups of sugar. Once the juices started to run, I cooked the fruit and sugar over high heat until the fruit broke down and the syrup thickened enough to hang off the spatula in little pink windows. A squeeze of lemon juice went in at the end for balance. Processed for ten minutes in an array of Weck jars, this is one preserve I’ll be rationing this winter, to ensure it lasts until plum season returns.

plum jam in Weck Jars

If you’ve been contemplating adding some Weck jars to your kitchen, you’re going to love today’s giveaway. It’s provided by MightyNest, an online shop and community hub designed to help people find a world of products (everything from kitchenware to personal care) that are healthy and non-toxic. Here’s what MightyNest has put together for this giveaway:

20 quart canning pot with a rack designed to hold 7 quarts
6 1-liter asparagus jars
6 1/2 liter tulip jars
6 160ml mold jars
Weck jar lifter (these are great, because they don’t catch on the clips the same way that jar lifters designed for Ball jars can).

MightyNest is also hosting a giveaway of my book over on their blog this week. If you’ve not yet gotten your copy, make sure to click over to enter!

If you’re interested in entering this giveaway, here’s how to do it.

  1. Leave a comment on this post and tell me what one change you’d like to make to your kitchenware to make it healthier. If you’re stumped for ideas, head over to MightyNest and browse their many lovely kitchen items. You’ll be chomping at the bit for something new in no time (I want everything they sell).
  2. Comments will close at 11:59 pm east coast time on Friday, August 24. Winner will be chosen at random and will be posted to the blog on Saturday, August 25, 2012.
  3. Giveaway is open to US residents.
  4. One comment per person, please. Entries must be left via the comment form on the blog, I cannot accept submissions via email.
Disclosure: MightyNest provided the jars, canner and jar lifter for this giveaway at no cost to me. I have not been compensated for my time or this post. My opinions remain mine entirely. 

Founded by two parents, MightyNest is an online store, resource center, and community dedicated to helping parents create healthy, safe homes. Our mission is to give families the ability to research, get advice, and buy natural, non-toxic products all in one place. From kitchenware to skin care, MightyNest’s safety experts have built the web’s broadest selection of products that are free from known toxic ingredients such as BPA, PVC, Phthalates, Lead, Melamine, Formaldehyde, Parabens, and more.

MightyNest is a place where people feel motivated and welcomed, not discouraged or judged; somewhere people are empowered to make changes in their lives, whether large or small. For the growing number of parents seeking high quality, healthy and safe alternatives to everyday products for their family, MightyNest is their most trusted resource.

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2,081 Responses to Weck Jar FAQ and MightyNest Giveaway

  1. 1101
    Una Walker says:

    I’m looking into biodegradable garbage bags. I’m almost done replacing all the plastic, I am also planning on using reusable bags for bulk food and produce.

  2. 1102
    Melissa says:

    I would like an alternative to the plastic Tupperware I store so much of my food in. I know it’s better not to re-heat food in them, but I never remember to use a glass container.

  3. 1103
    Paola says:

    I have started reducing the use of plastics, so glass containers are a must and even better if they allow me to keep seasonal goods all year long :)

  4. 1104
    hope bowman says:

    I am canning for the first time this Saturday, and I collect jars! I would love to win…

  5. 1105
    Aleca Sullivan says:

    My daughter Katie and I are trying to eat healthier, real food (not processed.) We would LOVE to learn to can, and imagine doing some yummy things to keep us warm all winter, like spiced berries for our oatmeal and tomatoes for our Italian and Greek cooking. We hope we win!!! (PS Mighty Nest Rocks!)

  6. 1106
    sarahliz says:

    What an awesome give-away. I’m working on phasing out plastics. I have a few glass containers I use for reheating leftovers, but we still store way too much of our stuff in plastic so I need more storage options. And I should really get away from ziplock for sandwiches.

  7. 1107
    Rachel says:

    I would like to replace my peeling nonstick pans. Use less plasticware and make more reuseable snack bags.

  8. 1108
    Jaime Woodring says:

    Besides canning more, I am also washing and reusing my ziplock bags.

  9. 1109
    Tracy says:

    I would love to switch all of my baking pans to stainless steel.

  10. 1110
    Alison says:

    I’d like to be able to make ice cubes in something healthier than plastic.

  11. 1111
    Dianna says:

    Firstly, I’m obsessed with mason jars! Even had a mason jar themed wedding!! The thing I would want to change is an alternative to zip lock bags or Saran wrap.

  12. 1112
    Heather says:

    We’re in the process of replacing all of our nonstick pots and pans. But I’d also love more wood and less silicone. We already don’t do plastic. There are about 100 things on their site that I would love to buy…

  13. 1113
    Amber W. says:

    I would love to replace all of our cruddy cookware with cast iron. The one skillet we have gets used ALL THE TIME!

  14. 1114
    Leslie says:

    I’ve replaced most of the plastic containers in my kitchen with glass but I’d like to complete the transition along with replacing my remaining plastic cooking and serving utensils with stainless steel or wood

  15. 1115
    Merrill says:

    I’ve recently switched to using all glass containers for leftovers and I’d like to start using something other than plastic containers to freeze extra portions. I’m having a baby soon and am trying to freeze as much as possible right now!

  16. 1116
    Vicki says:

    An electric cook top,like one of those panni everything cookers in a certain catolog.

    Thank you for the great giveaway! I louve Weck Jars

  17. 1117
    Melody says:

    I definitely need to change over my pots and pans. I have been using the same stuff for 39 years that I have been married. I already have changed over plastic food containers to glass and only use glass for drinking and glass dishes for eating. Learned alot on MightyNest website…..great website by the way!
    Melody

  18. 1118
    Jami Tunstall says:

    Awesome site, so many wonderful kitchen items! I am looking to get rid of plastic in the kitchen & around the house. I also am canning for the first time this year:) Thank you for the opportunity to win!!

  19. 1119
    Kristy R says:

    I would like to replace the sauce pans that I have with ones that don’t have a non-stick coating. I have already replaced most of the plastics with glass and I love to can. Weck jars were be an amazing addition!

  20. 1120
    Angie says:

    I’d love to continue to swap out all my little boys’ plastic plates, bowls and cups with glass. It’s a slow process and there’s been a few mishaps with some of the new glass cups, but it feels so much better to be ridding ourselves of the plastic!

  21. 1121
    AJ says:

    i’m looking into homemade baby food for the spring – i’m hoping to be a new mom by the end of the week!

  22. 1122
    Kate D says:

    I’ve been pining after a silicone baking mat so that I can dry/freeze/bake things without the extra oil or wasteful parchment paper.

  23. 1123
    Diane Lindsay says:

    Reuseable vegetable bags…..i use the plastic ones for compost collection then throw them away! What a waste.

  24. 1124
    Lydia says:

    I’m still in the process of doing this – in order to make my kitchen space healthier, I’m switching from plastic food storage containers to glass food storage containers.

  25. 1125
    Fred says:

    We are in the process of going all stainless Steel or cast iron for our cookware. Next purchase is a 12″ SS skillet.

  26. 1126

    We have done a lot of changing in our kitchen. We gave most processed foods. I cook with fresh and clean food. Lots of fruits and veggies…and we enjoy it.

  27. 1127
    Sarah says:

    I only learned to can three years ago, but it has changed how I eat and how I view food. The next step for me is getting rid of the BPA in the traditional canning lids. I’d love some Weck jars!

  28. 1128
    Stephanie says:

    I use salt stone as deodorant instead of the store bought antiperspirant.

  29. 1129
    Ben says:

    We switched to all glass bottles for our baby that we purchased from the Mighty Nest.

  30. 1130
    Sophia says:

    We use stainless steel or cast iron for cooking. No aluminum or scratched up tephalon pots and pans. We also switched to glass water bottles instead of the plastic ones. We also try to make more food homemade and eat less store bought/processed foods and we eat mostly organic foods.

  31. 1131
    Ashby says:

    We’re slowly swapping our old non-stick kitchenware for steel and cast-iron.

  32. 1132
    Meg says:

    I’m working at finding ways to reuse things first, then recycle if I can’t find a good use. Awesome post and giveaway! thanks!

  33. 1133
    jenny says:

    I’m building a compost pile from kitchen waste. The compost will fertilize the food I eat, which I’ll can in some pretty Weck jars. Then I’ll put the waste in the compost pile. I feel like this could be some kind of kids cyclical song. :)

  34. 1134
    Courtney says:

    I would love to replace all my aged plastic storage containers with glass. Oh, someday soon!

  35. 1135
    Sylvia says:

    I’ve just sold my boyfriend on bringing his lunch in canning jars (he had so much fun with it!), one step of several in getting the plastic and nonstick cookware out of our kitchen. Someday I would also like to pressure can my own beans and soup, but for now, in addition to getting me over the hump and into regular canning, these lovely jars would make good homes for fridge storage.

  36. 1136
    Linda Hoppa says:

    We are antique collectors/dealers, both farm raised, so I have found it easy to go back to the old ways and vintage kitchen ware. We use many of our finds in the kitchen such as old glass containers with glass covers similar to those featured in Mighty Nest article, “12 Ways to Do Away with Toxins in the Kitchen”; granite ware (as long as it is not chipped or cracked); cast iron ware (the only ware I use when frying); crocks for fermentation; wooden utensils for cooling; etc. This year I am making it a goal to stock a winter larder with as much locally grown and home grown canned food as possible in addition to dehydrating fruit for use in the AM oatmeal and baking. In addition to antiquing, I am a avid thrift store browser. Came across a great kitchen buy in our local thrift store in the Spring — over 12 varying sizes of glass storage jars with rubber seals for $3. These are great for storing dehydrated food, spice rubs, honey, etc. but cannot be used to can. Thanks for this great post and the direction to Mighty Nest website. The number one change I would like to make in my canning and kitchen would be to have the opportunity to purchase and use resuable canning lids. I think the Weck jars would be just up my alley.

  37. 1137
    Amy L says:

    Would love to replace the many, many plastic containers for food storage with glass! Awe are also getting a couple of cast iron skillets. :)

  38. 1138
    Jenny L says:

    One thing I would like to change in the kitchen to make it healthier is to go back to using less chemicals to clean with.

  39. 1139
    christy says:

    I would like to start using glass containers instead of plastic.

  40. 1140
    SarahG says:

    I would love to have a compost pile again, but sadly, that will have to wait until we move away from the current landlord.

  41. 1141
    Julie says:

    Awesome giveaway. I have one weck jar that I love and would really like to add more to my jar supply. A change I would like to make to my kitchenwares is to save more leftovers in glass containers instead of plastic.

  42. 1142
    Sheila says:

    I’ve been trying to save glass jars from things i buy at the store like salsa or pickles, but I can never get the smell put of the lid. I’d love to start making and storing my own salsa, pickles, and more. These jars would give me a start and inspiration.

  43. 1143
    Lacey says:

    I wish I had reusable plastic or otherwise to-go bags, bags for my veggies, and zip-loc style bags.

  44. 1144
    Diana says:

    What a great giveaway! I am trying to can most of our food to help cut down grocery costs. I would love those Weck Jars. Thanks!

  45. 1145
    Bridget says:

    I would like to get more plastic out of the kitchen, especially food storage containers. We have some glass, but it’s been a process to get everything changed over. Thanks for the giveaway!

  46. 1146
    Lily says:

    I’ve been dying to try out Weck jars! While we’ve made a lot of progress switching out the plastic in our home for safer options, we still use ziplock bags for quick storage and transport. Though we wash and re-use them ( now I’m wondering if this is a good idea) and never microwave in them or anything like that, I’d like to explore some better options.

  47. 1147
    Kimberly H. says:

    I would love to switch away from my dollar store plastic utensils (serving spoon, ladle, tongs, etc.) to bamboo or wood!

  48. 1148
    PepperReed says:

    I would say the chiller pitcher with glass lid would be a great item to add to my kitchen. I have a few plastic pitchers that I sometimes use when we have groups over (and I also reuse juice jugs), but I’m trying to rid our house of all plastic (BPA friendly or not) so having a Lidded (important!) glass beverage container would be very useful.

  49. 1149
    Peyton Sorah says:

    I currently work for a farm and help to run one of their stands in Baltimore, Maryland. My goal this summer is to freeze and can enough produce and meat that I only have to go to the store through the winter to get milk and eggs! I love knowing where my food comes from and supporting the wonderful people who provided it for me!

  50. 1150
    Cordelia says:

    We recently moved into a house on 5 acres and I am planning an extensive organic garden. Canning will be a critical part of preserving the hoped-for bounty. Although I became a Weck jar fan when we lived in Germany, I have never actually used them for canning. Having the whole set-up would be fantastic!

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