# How to Get Candle Wax Out of a Jar or Candle Holder: Four Safe Methods Source: https://candlemakingnest.com/blog/how-to-get-candle-wax-out-of-a-jar Published: 2026-10-28 Publisher: Candle Making Nest The easiest ways to get candle wax out of a jar are the freezer method, which shrinks the wax so it pops loose, and the warm method, where gentle heat softens the wax so it can be wiped or poured out. Which one works depends on how much wax is left and what the container is made of. The methods below go from least effort to most, with the safety points that keep you from cracking glass or sending hot wax down a drain, which can cause a blockage that is expensive to clear. ## Before you start: check the container and the wax Look at the jar before choosing a method. Thick glass jars handle moderate temperature changes, but thin glass, decorative vessels and ceramics with glazes can crack if they go from very cold to hot too quickly. If the jar has a metal lid, a painted exterior or a label you want to keep, avoid soaking it and use the freezer or scraping method instead. Work over a surface you do not mind getting wax on, and keep a few paper towels nearby. Do not pour wax down the sink, because it cools and hardens inside the pipes. Plan to collect it in a disposable container or a spare tin. Always let a used candle cool fully before you handle it, and never use an open flame to speed things up. ## Method 1: the freezer Place the empty-looking jar in the freezer for a few hours or overnight. Wax contracts more than glass when it gets cold, and that shrinkage often separates it from the sides. After the time is up, take the jar out and press a butter knife or spoon handle along the edge of the wax, or turn the jar over and tap the base on a towel. If the wax comes out in one piece, wipe the jar with a paper towel while it is still slightly cold. Small bits left behind can be picked off with your fingernail or the dull edge of a spoon. Avoid stabbing hard into the glass, since scratches can weaken it. Let the jar come back to room temperature before washing it with warm water, so the temperature change is gradual. [Candle jars you can wash and reuse](https://candlemakingnest.com/best/best-candle-jars) ## Method 2: warm water or gentle heat For a sticky layer of wax, heat can work better than cold. Stand the jar in a pan of just-boiled water, taking care that no water gets inside, and wait until the wax turns liquid. Pour the melted wax into a disposable tin, then wipe the inside with a paper towel while the glass is still warm. Use oven mitts, because the glass gets hot. Another approach is to set the jar on a baking tray in an oven on a low setting for a few minutes, until the wax softens. Check frequently, and never leave the oven unattended. A heat gun or hair dryer pointed at the outside of the jar can also soften the wax enough to wipe it out. Keep hot tools away from labels and plastic parts. [Heat guns made for candle work](https://candlemakingnest.com/best/best-heat-guns-for-candles) ## Method 3: scraping and the leftover film Even after the bulk of the wax is out, a thin waxy film often remains. Wipe it with a paper towel while the glass is slightly warm, then wash with hot water and dish soap, which cuts through remaining residue. A cloth with a few drops of rubbing alcohol or a mild cleaner can lift stubborn streaks, but ventilate the room and keep alcohol away from any flame. The metal wick tab at the bottom is usually glued down. Pry it up with a dull tool and discard it, or soak it loose with warm water and soap. If a sticker or label remains, a dab of cooking oil softens the glue so it rubs away. Dry the jar completely before storing or filling it again. [Fresh tabs and stickers for refilling](https://candlemakingnest.com/best/best-wick-tabs-and-stickers) ## What not to do Do not use a microwave on a jar that contains wick tabs or metal, as metal parts can cause sparks. Do not pour hot wax into a sink or toilet. Do not chip at wax with sharp metal tools, which can scratch or crack the glass. Do not heat a cold jar quickly or a hot jar in cold water, as the sudden change can cause it to break. Also be careful with scented wax. Fragrance oils can irritate skin and the scent of a very hot jar can be strong, so work in a ventilated room. If you have a lot of old jars to clean, do them in a batch so that you only have to set up your workspace once. ## Special cases: tins, ceramics and stubborn soy wax Metal tins are tougher than glass and can handle a warm water bath, but they may rust if left wet, so dry them thoroughly. Ceramic and stoneware vessels with a glaze should be warmed gradually, since a thermal shock can crack them. If the container is a keepsake, the freezer method is the gentlest option because it involves no heat at all. Soy wax is softer than paraffin and tends to stick to glass in a thin, greasy film instead of popping out cleanly. It responds well to warm soapy water after the bulk is removed. Beeswax is hard and brittle when cold, and usually releases well from the freezer. If wax remains in the bottom corner, a warm spoon pressed against it will loosen it. When a candle has burned down to the last half inch, many makers stop burning it for safety, since a flame near the bottom of a jar can overheat the glass and the surface under it. That leftover wax is exactly what these methods are for. ## Reusing the wax and the jar Any wax you pour out can be saved. Let it set in a disposable tin, break it into pieces and use it for wax melts or to top off another candle, as long as the scent and color work together. Mixed leftovers can make unpredictable candles, so test before you sell or give them away. A clean, dry jar is ready for its next life, either as a new candle vessel or as a storage container. If you refill it with wax, use a new wick and fresh tab, and check that the glass has no chips or cracks. Burn any new candle on a heat-safe surface and never leave it unattended. [Container wax for refilling jars](https://candlemakingnest.com/best/best-container-wax) ## Related buying guides - https://candlemakingnest.com/best/best-candle-jars - https://candlemakingnest.com/best/best-heat-guns-for-candles - https://candlemakingnest.com/best/best-container-wax - https://candlemakingnest.com/best/best-wick-tabs-and-stickers