Step by Step Guides

How to Make Container Candles

Container candles are one of the friendliest first projects in candle making: the jar serves as the mold, the process is forgiving of small mistakes, and the supply list is short. Here is the full process, from warming the jars to the finished label.

Seven colored glass-jar candles in blue, gold, navy, sage, cream, and a purple lidded jar on rustic wood with fairy lights

Written & tested by

Lone Star Candle Supply

Last edited

Read time

7 min read

If you're new to candle making, start here. The jar does the work a mold does in other projects, the wax is forgiving, and everything on the supply list gets reused in the rest of our Step by Step Guides. This tutorial makes classic paraffin container candles; if you're working with soy, the How to Make Soy Container Candles guide follows the same skeleton with soy-specific details.

What You'll Need

What You'll Need

Check items off as you gather them

Supplies

Tools & Equipment

  • E-Z Wick Setter centers the wick; a straw or pen shaft also works
  • Wick Bars a Wick Bar holds the wick centered while the wax sets
  • Pouring Pot, Thermometer, Scale the prep trio from How to Prepare Wax for Pouring
  • Stirring Utensil a spatula, whisk, or spoon to blend in fragrance and dye
  • Cookie Sheet + Oven for warming the jars
  • Butcher Paper or Newspaper spills happen; paper cleans up

Skip ahead to the step-by-step guide

Cover the work surface with butcher paper before you start; cleanup is far easier when drips land on paper instead of the counter. Once the candles are poured, our guide to Cleaning Your Tools & Equipment covers wiping the pot and tools clean before the wax hardens.

Why Containers Are the Beginner Project

A container candle is a candle poured directly into the vessel it burns in. That one fact removes the hardest parts of other projects: there is no mold to prepare, seal, or unmold, and the wax never has to stand on its own. Container waxes can also stay softer and hold more fragrance than pillar waxes, since the jar provides all the structure. The rules change completely when you move on to How to Make Pillar Candles, which is why practicing with simple jars first is the perfect place to start.

The Step-by-Step Process

Steps 3 through 6 are the universal wax prep covered in detail in How to Prepare Wax for Pouring; the version below is condensed to what matters for jars.

How to Make a Container Candle

  1. 1

    Warm the jars

    Set the jars on a cookie sheet in a 150°F to 170°F oven (or its lowest setting) while you work. Warm glass helps prevent jump lines and reduces the risk of cracking when hot wax hits cold glass.

    Three clear glass candle jars arranged in a round blue metal baking pan
  2. 2

    Weigh the wax

    Check the jar's product page for the wax weight to its fill line, then weigh that much wax in your pouring pot. Single-pour container slabs cut easily with a putty knife or butter knife.

    Hand pressing a wood-handled metal scraper into a block of white candle wax
  3. 3

    Melt the wax

    In a double boiler or a wax melter: for the double boiler, an inch of simmering water, a trivet under the pot, medium-low heat to 170°F to 180°F. Watch the thermometer and never leave melting wax unattended[1].

    Aluminum pouring pitcher set inside a stainless saucepan forming a double boiler
  4. 4

    Add fragrance at 180°F

    Weigh the oil and stir it in for two full minutes. Typical loads run 0.5 up to 2 ounces per pound depending on the wax; one ounce per pound is the most common. It is safe to add fragrance above its flash point; just keep oils away from open flame[2].

    Hand pouring pale fragrance oil from a Lone Star Candle Supply bottle into a glass cup on a digital scale
  5. 5

    Color and test (optional)

    Stir your dye in thoroughly and drip-test on a paper plate; hardened wax shows the true shade. Stir in UV stabilizer now if using, about half a teaspoon per pound.

    Dye Blocks

    Cut the block into small pieces so it melts into the wax quickly.

    Hand shaving chips from a black dye block with a purple Cutter blade onto white paper

    Liquid Dye

    Add drop by drop; you can always deepen the shade, never lighten it.

    Hands holding an amber dropper bottle and dropper above an aluminum pouring pitcher
  6. 6

    Set the wicks

    Pull the jars from the oven (they'll be hot). Put a wick sticker or glue dot on each wick tab and press it to the jar bottom, dead center. A secured wick can't drift mid-pour.

    With the E-Z Wick Setter

    Slide the wick through the tool and press the tab firmly to the glass; our How to Use the E-Z Wick Setter Tool walks through the full motion.

    Hands pressing a wick into the bottom of a glass jar with a white wick-setting tool

    With a Straw or Pen Shaft

    Thread the wick through, press the tab down, and pull the straw off the wick; our How to Wick a Jar With a Straw guide walks through the full method.

    Hands centering a wick in an empty glass jar using a slim red thermometer
  7. 7

    Pour slowly

    Fill each jar no higher than its widest point (a few shapes, like tureens, are exceptions). Pouring fast splashes wax up the glass and traps air bubbles. Check your wax's guidelines: if it calls for a second pour, reserve a little wax now.

    Dark red wax poured from a metal pitcher into a wicked glass jar, empty and filled jars alongside
  8. 8

    Center and cool

    Slide each wick into a wick bar across the jar mouth and make sure it is centered. Then leave the candles undisturbed as they cool: no fans, no vents, and minimal movement. Slow cooling produces the smoothest tops.

    Hands holding a wick centered with a metal bar across a jar of dark red wax
  9. 9

    Level the top

    Once fully set, a small crater can form near the wick as the wax cools. Re-melt the reserved wax and do a thin second pour to level it. Leave the wick bar in place until the candle is completely cool; removing it too soon disturbs the wax around the wick.

    Hand setting a wick straight against a metal bar laid across a jar of poured purple-red wax
  10. 10

    Trim and label

    Trim the wick to a quarter inch, lid the jar, and add a caution label. If you sell your candles, a warning label on the base is standard practice for every candle that leaves your hands[1].

    Hands ladling wax around the wick of a magenta container candle with a long metal spoon

Cooling, Curing, and the First Burn

Cooling and curing are separate things, and both matter. Cooling is the hours the candle takes to fully set. Rushing it with a fridge, freezer, or fan is how wet spots and cracks happen, and our Container Candle Cooling Time guide covers what to expect. Curing is the resting week after that, when the wax binds the fragrance molecules and locks in scent throw. Let the candle cure for a week after pouring. Our Finishing Touches guide walks through trimming, cleaning the jar, and labeling in order. Before lighting, trim the wick to a quarter inch, and let the first burn establish a wide melt pool that reaches the glass; this initial path guides how cleanly the wax melts on every future burn.

If the melt pool never reaches the edge or the flame drowns, the wick size is the usual suspect; the guide to wicking maps wick series to jar diameters, and Wick Testing shows how to confirm a size before you pour a full batch.

Sources

  1. Candle Safety National Fire Protection Association, 2024 ↩
  2. 29 CFR 1910.106 — Flammable liquids (definition of flashpoint) U.S. Occupational Safety and Health Administration ↩

Frequently Asked Questions

What do I need to make container candles?

A container wax, candle jars, fragrance oil, wicks with tabs, wick stickers or glue dots, a pouring pot, a thermometer, a digital scale, and wick bars to center the wicks while the wax sets. Dye and UV stabilizer are optional. The materials list above links each one individually.

What is a container candle?

A candle poured directly into the vessel it burns in, usually a glass jar or tin. The container does the job a mold does for pillar candles, which is why container candles are the standard beginner project: no unmolding, and the wax can be softer and hold more fragrance.

Why do you heat the jars before pouring?

Warm jars help prevent jump lines (the horizontal rings that form when hot wax meets cold glass) and reduce the chance of a jar cracking from the temperature swing. An oven at 150°F to 170°F, or its lowest setting, is plenty.

How much fragrance oil goes in a container candle?

One ounce per pound of wax is the most common load. Depending on the wax, the manufacturer-recommended range typically runs from 0.5 up to 2 ounces per pound. You can load up to your wax's maximum, but never past it; wax retains only so much oil, and the excess separates instead of adding scent.

Why does my candle have a crater around the wick?

Wax shrinks as it cools, and the shrink concentrates near the wick. A small second pour levels the top: melt a little reserved wax and fill the crater once the candle has fully set. This is normal even with single-pour waxes.

How long should a container candle cure before burning?

Give it about a week. Curing lets the wax bind the fragrance molecules, and it is the most common fix for a weak scent throw. Trim the wick to a quarter inch before the first burn.

!