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Jars and lids

How it looks on a shelf

Updated

On this page4
Jam is bought by looking at it through clear glass, which turns two of the published failures from quality faults into sales problems. Cloudiness and crystals cost money here that they would not cost in an opaque container.

What a buyer reads before tasting

Nobody tastes before buying at a market stall and nobody tastes at all in a shop. Everything that decides the sale happens before the jar is opened, which makes presentation part of the product rather than a wrapper around it. Three things get read, in order, and the order is not the one most makers optimize.

What they seeWhat they conclude
Deep, even colorGood fruit
Dark or dull colorOld, or overcooked
Cloudy jellySomething is wrong with it
CrystalsCheap, and mostly sugar
An uneven surface or short fillCareless, or short measure

None of those conclusions is necessarily right, and all of them are made in about a second.

Which failures to spend effort on

Some presentation faults lose sales and some are invisible to anybody who is not another jam maker. Spending effort on the second kind is the most common way a careful producer wastes an afternoon.

The visible ones, if you are selling retail. A soft set is a complaint; a cloudy jelly is a jar nobody picks up, and it never becomes a complaint because there was no sale.

The jar shape decision

Shape is the one presentation choice that is expensive to reverse, because the label, the case and often the filling setup are specified to it. Decide it once, early, with a filled jar in your hand rather than from a catalog photograph, and be aware that the shape which looks best empty is not always the one that looks best full.

A tapered jam jar shows the product and lets a spoon reach the corners. A mason jar reads as homemade. Both are legitimate and they are aimed at different buyers, which is a positioning choice rather than a quality one.

8 oz Clear Glass Tapered Jam Jar
8 oz · 70-450G · Glass · case of 108
Tapered, so the product faces the shelf and a spoon reaches the bottom.
$1.13
each
See it
Photograph needed. The same jam in a tapered jar and a mason jar side by side on a shelf, lit the same way, so the difference in how the product reads is visible.

References

National Center for Home Food Preservation, University of Georgia. Causes and possible solutions for problems with jellied fruit products. nchfp.uga.edu
United States Department of Agriculture, Agricultural Marketing Service. United States Standards for Grades of Fruit Preserves (Jams). ams.usda.gov
Our own catalog. Capacities, neck finishes, materials, case packs and prices on this page are read from the products we actually stock, not from a published source.
Written from federal regulation and published extension guidance, not from a laboratory. A standard of identity is a federal floor and your state adds to it. Anything here is a starting point for a conversation with your state department of agriculture, not a determination that you comply.