Thinking through heat in the house as winter and gas prices kick in.

Current idea is to get a second hand hot water bottle, and fill it with the leftover hot water from the washing up.

Would washing up liquid and food particles degrade the rubber though? Should I "upgrade" to something more ceramic?

1. In general: If you want to heat a room, that is pretty useless. But you can use water bottles with warm water to heat the bed.

2. The rubber won't deterioate by filling the bottle with left over water and food particles. But make sure to rinse it out from time to time with boiling water, to get rid of bacteria; and some vinegar concentrate against mould. (Don't use boilng water and vinegar at the same but alternately.

3. If you think about upgrading, ceramic or chopper is advisable as the rubber rather isolates. But be careful as both materials conduct heat pretty well and burns may occur if the water is too hot. Wrap a towel around.

@simsa04 Thanks, good practical advice there. I'm definitely thinking more about personal heating ("microheating"? :) to try to minimise wider heating systems at least.

For vinegar washes, you mean pour in just neat vinegar, then rinse with boiling water, and repeat?

re: rinsing with vinegar.

No, don't use regular vinegar. For one it has a strong flavour, second it's not strong enough,

Take a concentrated vinegar acid, you should get it in every department store. Use water to dilute it and pour the fluid it into the bottle. If the bottle is of rubber, just shake the bottle for a while, otherwise use a bottle brush. Let the fluid do its work for about 10 minutes. Then rinse again with clear water.

Vinegar concentrate, like citric acid, is a good against limestone. You can use it in the bathroom (toilet, tiles, ceramic) or in your water heater for boiling teawater to dissolve the limestone. As it is an alkaline cleaner, it reduces mildew and its spores. It is advisable to clean your working spaces in the kitchen with it from time to time.

re: personal heating

I n past times It was common to heat only one room in a flat or house, and let the bedroom stay cold, only with hot-water bottles in the beds (and cap and socks to put on).

@simsa04 That's cool, ta. I've used diluted white vinegar to clean things before - we're in a very chalky area. Does the concentrate you use smell very vinegary? Do you mask that with anything if so?

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The vinegar essence I use has a very pungent smell. It#s not toxic but unpleasant, one reason you dilute it with water. But as the smell evaporates quickly, I usually just open the window or hold my nose.

BTW: If you' are in chalky area and have lots of limestone, put the mixed fluid onto the surface and let it sit for about 10 to 20 minutes. Then clean it up.

For cleaning and decaling your kettle you may use both the vinegar essence or citric acid. Fill the kettle at half with water and the essence/acid, heat it near boiling temperature, let it sit for a few minutes, then pour it out. Clean the kettle afterwards with water and a drop of detergent so that no residual odour remains for your teawater to attain a strange flavour.
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