BuckfastLinda · Flanders, BE · Honey · Oct 3, 2026

Bottling crystallised honey from 25 kg buckets — what warming temperature and how many hours without cooking it?

Flanders, sixth year, twelve hives. My summer honey — lime and clover mostly — has set solid in five 25 kg buckets and I have about 200 jars to fill before the first Christmas market in late November. I've built a warming cabinet out of an old fridge, a thermostat and a bulb, and now I want to use it properly rather than guess. The numbers I find online are all over the place: 35°C for a week, 40°C for 48 hours, 45°C for a day, one person swearing by 55°C for a few hours. I want the honey liquid enough to pour but I don't want to cook it — HMF, enzymes, taste, all of it. What temperature and roughly how long for a 25 kg bucket? Do you stir it? Second question: some of last year's jars re-crystallised in weird patches with white streaks against the glass. Was that because I bottled when it was still partly crystalline?

#crystallised-honey#warming-cabinet#bottling#hmf

▲ 4 votes 💬 2 replies

2 replies

AbejaMiguel · Oct 3, 2026

Forty to forty-five degrees, never more, and then patience. A 25 kg bucket at 40°C takes me two to three days to go fully clear; stir it once when the outside is liquid and the middle is still a lump, it halves the time. Above about 50°C HMF climbs fast and the aroma goes, and it does not come back. The EU limit is 40 mg/kg HMF and days at 40°C will not get you anywhere near it. A water bath at the same temperature works too, but the cabinet is easier for buckets.

MieleMarco · Oct 3, 2026

Same numbers as AbejaMiguel — my cabinet sits at 38-40°C and I plan on 48 hours plus. The white streaks are usually one of two things: air trapped against the glass as the honey shrinks slightly on setting, which is cosmetic, or, as you guessed, re-crystallisation seeded by crystals you never fully melted. If you bottle at partial liquefaction the remaining crystals seed it again, fast and unevenly. Either take it all the way to clear, or go the other way and sell it as creamed honey seeded on purpose.

Join 12,000+ beekeepers logging hives, asking questions, and mapping forage.

Get the Beekeeping Community app

Bottling crystallised honey from 25 kg buckets — what warming temperature and how many hours without cooking it?

Bees cleaning wet supers — above the inner cover or stacked outside? And why does open stacking go so wrong?

Bucket of honey is bubbling and smells sour — is it fermenting, and can it still be used for anything?

Cut comb sections harvested late — how do you keep them from crystallising before they sell?

Drying honey from 19% down to 17.5% — dehumidifier room, fan over the frames, how long does it actually take?

Eucalyptus flow starting in Minas Gerais — how are you supering Africanized colonies without a war?

Creaming fast-setting ivy honey at home — 10% seed at 14°C, but does it need melting first?