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14 pieces on hot water bottles. Newest first.

All Reviews & Guides Pain Relief Safety Eco & Sustainability How-To Electric Bottles

How-To

A covered hot water bottle next to a folded electric heating pad on a linen-covered chair in soft morning light.

5 min read

Hot Water Bottle vs Heating Pad

Both target heat where it hurts. One plugs in, one boils a kettle. Here's when each one wins.

Reviews & Guides

Three folded hot water bottle covers in different knit textures stacked on a wooden surface in soft side light.

5 min read

The Best Hot Water Bottle Covers

A cover doubles useful warmth and stops the contact burns. Here's what to buy by material, and the one thing every cover should do.

Eco & Sustainability

A cream natural-rubber hot water bottle on raw linen cloth with a sprig of eucalyptus and a wooden bowl beside it, soft daylight.

7 min read

The Best Eco-Friendly Hot Water Bottle

Most hot water bottles aren't really eco. The ones that are come down to three honest choices in materials. Here's what to buy and what 'eco' actually means.

Safety

6 min read

The Best Hot Water Bottle for Children

Half of UK hot-water-bottle burns are in children. The right product helps, but the right routine matters more. Here's what we'd buy and how we'd use it.

How-To

A knit-covered hot water bottle on a bed beside a small brass analog clock and an open book in soft afternoon light.

5 min read

How Long Does a Hot Water Bottle Stay Warm?

Between 4 and 8 hours, depending on size, material, cover, and how cold the room is. Here's the physics and what changes the answer.

How-To

5 min read

Hot Water Bottle vs Electric Blanket

Both make a cold bed warm. They do it differently, cost differently, and the safer choice depends on how you sleep.

Safety

4 min read

Can You Microwave a Hot Water Bottle?

Short answer: no. Every major manufacturer says no. Here's why people ask, and what to use if you wanted a microwaveable warmer.

Wellness

A small hot water bottle in a knit cover resting on a knit blanket draped across a low chair, with a ceramic mug at the edge, soft afternoon light.

6 min read

Are Hot Water Bottles Safe During Pregnancy?

Yes, with two firm caveats: not on the bump, and the water needs to be cooler than usual. Here's what's safe and what isn't.

Electric Bottles

A small covered hot water bottle on a wooden bedside table with a cable coiled beside it, soft morning daylight.

7 min read

The Best Electric Hot Water Bottle

Rechargeable bottles skip the kettle entirely. The case for and against, plus the two we'd actually buy.

Wellness

A covered hot water bottle nestled in a knit blanket on a linen sofa in soft afternoon light.

6 min read

The Best Hot Water Bottle for Period Cramps

Heat works as well as ibuprofen for period pain. Here are the bottles we'd use and where to put them.

Safety

Two cream hot water bottles laid flat side by side on linen cloth in soft top-down daylight.

5 min read

When to Replace Your Hot Water Bottle

Two years from the date stamped on the bottle. Here's how to read the daisy, what wear looks like, and why it matters.

Wellness

An open book and small candle resting on a brown knit throw draped across a white chair.

7 min read

The Best Hot Water Bottle for Back Pain

A long bottle drapes across the lower back the way a normal one can't. Here are the four worth buying, and the honest case for when heat actually helps.

Safety