Know which candles are worth the money.

WickTrim is a private, browser-based journal that tracks wick length, burn hours, fragrance throw, and container wear. Add your candles, log each burn, and compare scents over time. No account. No tracking. Your data stays on your device.

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Your Candle Library

No candles yet. Add your first one to start tracking.

Burn Journal

Select a candle from the library to view its journal and log burn sessions.

Compare Candles

Add at least two candles with burn sessions to see a comparison.

How to Get Better Burns

Trim before every light

Cut the wick to 1/4 inch before each burn. Long wicks create tall flames, black smoke, and uneven melting. A proper trim keeps the flame steady and the wax pool even. Use a wick trimmer instead of scissors so the trimmings fall into the wax and do not roll onto your table.

Mind the first burn

The first time you light a new candle, let the wax melt all the way to the edge of the container. This usually takes one hour for every inch of diameter. If you blow it out early, the candle remembers that smaller pool and tunnels on every later burn. Fixing a tunnel later takes more work than doing it right the first time.

Avoid short burns

Burning for less than an hour on a wide container causes the wax to melt only in the center. Over time this creates a deep ring of wasted wax along the sides. If you cannot commit to a long burn, choose a smaller candle or a narrower container.

Watch for memory rings

A memory ring is a ridge of hardened wax that builds up along the container wall. It means the flame never reached that part of the wax. If you catch it early, you can wrap the container in aluminum foil with a small opening at the top. The reflected heat melts the ridge back into the pool.

Rate fragrance honestly

Fragrance throw changes over the life of a candle. The first few burns often smell the strongest. By the last third, the scent may fade. Log the throw each time so you can see the curve. A candle that drops from a 4 to a 1 in three burns is not a good value, even if the wax lasts.

Know when to stop

Stop burning when 1/2 inch of wax remains in the container. The bottom of the jar gets very hot and can crack or scorch the surface below. If you want to use the last bit, pour the melted wax into a warmer instead of lighting the wick again.

Common Questions

How short should I trim the wick?

Aim for 1/4 inch (about 6 mm). If the flame flickers or produces smoke, the wick is too long. Cotton wicks can go as short as 1/8 inch if the flame struggles.

What counts as a good fragrance throw?

Rate it by distance. 1 means you have to lean in. 3 means it fills the room. 5 means you smell it from the next room. Most soy candles land between 2 and 4.

Why does my candle tunnel?

The first burn sets the memory ring. If you blow it out before the wax reaches the edge, the candle remembers that smaller pool. Longer first burns prevent this.

Can I export my data?

Yes. Use the Export button on the Compare tab to download a JSON file. You can re-import it later or open it in a spreadsheet.

Does this work for tea lights and pillars?

Tea lights are hard to track because they are small and single-use. Pillars work if you estimate container size as diameter and height. The journal is optimized for container candles in jars or tins.