Wide Mouth or Regular Mouth Canning Jars

My first canning jars were Regular Mouth. I don&#;t recall why at the time, but maybe that was the predominant choice at the store. I really didn&#;t give it much thought. The decision was simply choosing Pints or Quarts (most of what I have canned are in Pint jars). But each of the two come in either Regular Mouth or Wide Mouth lids. So, which one is better, or, what are the pros and cons?

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Like I said, I began with Regular Mouth pint jars. Therefore, my focus on replacement lids were strictly Regular Mouth lids. But at some point, I began buying Wide Mouth jars. Why?

Pros and Cons of Wide Mouth versus Regular Mouth Canning Jars

Are there advantages of one over the other?

I found that I didn&#;t have to use the filler funnel as often as I had to for filling up Regular Mouth jars. Wide Mouth jars/lids are, well, wider! A larger diameter is easier to put &#;stuff&#; in (at least in my general opinion).

• Wide Mouth jars have an opening of about 3-1/2 inches in diameter.
• Regular Mouth jars have an opening of about 2-3/4 inches.

It seems like Wide Mouth jars are easier to clean the Regular Mouth jars. The sides of WM jars are pretty much straight. Whereas RM jars have a curved shoulder on top, which may present some cleaning challenges &#; depending&#;

But here comes a potential &#;con&#; from the pros and cons of Wide Mouth versus Regular Mouth canning jars. The comparative height and width of the jars, and how that may affect how many you can fit inside your pressure canner per batch. The RM jar is a bit taller than the WM jar. And the WM jar looks to be a bit wider than the RM jar, especially at the outer diameter of the mouth ring threads.

My All American (model 930) pressure canner will hold 19 Regular Mouth pint jars. But it will only hold 16 Wide Mouth pint jars.

I also have a Presto pressure canner (my first one). I haven&#;t used it in awhile and don&#;t recall exactly how many pint jars fit (WM versus RM). But I believe it was a similar situation&#; a few more Regular Mouth jars fit inside than Wide Mouth jars.

What about the cost differences, and are there any differences between the cost of jars and/or replacement lids? Well, lets have a look&#;

Doing a quick amzn price check, a case of Regular Mouth (Ball) jars cost less than the Wide Mouth jars. Same thing with the lids. Regular Mouth wins.

As of the time of this price check, RM lids were 23-cents each. Whereas WM lids were 35-cents each. So it&#;s clear that the apparent conveniences of Wide Mouth will cost you more.

72 RM Ball Lids
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72 WM Ball Lids

So you home canners out there, I&#;m curious to hear your opinion on the comparison between the two sizes. What do you use?

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[ Read: The All American Pressure Canner That Will Last Forever ]

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If you're confused about Mason jar sizes, know that you're not alone! Our top product-related question is always about Mason jar mouth sizes. To make shopping a little easier, we've put together this handy guide to determine what size mouth your Mason jars have with links to their corresponding Masontops products.

The most important thing to remember is brand, volume and height have nothing to do with determining mouth size. All you need to look at is the diameter across the mouth of the Mason jar, edge to edge. 

Buying New Mason Jars?

If you're buying new Mason jars and aren't sure which size to get, we highly recommend wide mouth Mason jars. They usually come in larger volume sizes and are more popular, which means there are better accessory and lid options. Masontops makes products in both regular and wide mouth sizes, but we have some products&#;like the Complete Fermentation Kit and Coffee Caps&#;available for wide mouth Mason jars only. 

Masontops now makes our own Mason jars! Get 4x 24oz Wide Mouth Mason jars with 4x Tough Band plastic screw bands, 4x Chalk Top blackboard lids, 1x Top Chalk erasable chalk marker all in one pack. These jars are great for fermenting and the included Tough Bands will never rust or warp. Once you're ferment is done, label it with a Chalk Top disc lid and store it in the fridge. 

Before you buy your Mason jars, read this article to determine which type of Mason jar is right for you and what brands to buy from. 

Contact us to discuss your requirements of plastic cosmetic jars wholesale. Our experienced sales team can help you identify the options that best suit your needs.