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Hardwood Ash
YourGrandma

Yenziwe ngu-

YourGrandma

11. uMfumfu 2026IS
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Hardwood Ash

The grey-white ash left when clean hardwood burns completely is the starting point for lye and soap, potash, ash glazes and nixtamal, and a garden lime. Its largest part is calcium carbonate, with potassium salts, and it is alkaline: wet ash stings the skin. Only clean wood: never painted, treated, glued or mixed with rubbish. How much ash a load of wood gives varies with the species and how much bark is on it, so weigh both and find out.
Oqalayo
1 day, plus 3 days cooling

Imiyalelo

1

Weigh the wood

Weigh dry, clean hardwood logs such as oak, beech, ash or maple. Note the weight.

Izinto zokwakha zalesi sinyathelo:

Izigodo zomuthi olukhuni (i-oki, i-mapula, i-beech)Izigodo zomuthi olukhuni (i-oki, i-mapula, i-beech)20 kg

Amathuluzi adingekayo:

IsikaliIsikali
2

Burn it down

Light a fire in a clean fire pit with tinder and kindling, and feed it the weighed logs. Keep it burning until no black charcoal is left, only grey-white ash.

Izinto zokwakha zalesi sinyathelo:

Isithungu sokuvuthela umliloIsithungu sokuvuthela umlilo1 ucezu
Okokubasa nezinti ezincaneOkokubasa nezinti ezincane1 ucezu
UmentshisiUmentshisi1 ucezu

Amathuluzi adingekayo:

Umgodi womliloUmgodi womlilo
3

Cool it in metal

Shovel the ash into a metal bucket with a lid and stand it on bare ground, at least 3 m from any building. Leave it at least 3 days: ash hides embers that stay hot for days.

Amathuluzi adingekayo:

IfosholoIfosholo
Ibhakede lensimbi elinesivaloIbhakede lensimbi elinesivalo
Amagilavu Omsebenzi EsikhumbaAmagilavu Omsebenzi Esikhumba
4

Sieve it

With a dust mask and gloves on, sieve the cold ash through a coarse sieve into a second bucket. Throw back any black bits for the next fire.

Amathuluzi adingekayo:

Isihlungo esibanziIsihlungo esibanzi
Ibhakede lensimbiIbhakede lensimbi
Imaski YothuliImaski Yothuli
Amagilavu Omsebenzi EsikhumbaAmagilavu Omsebenzi Esikhumba
5

Weigh the ash

Weigh the sieved ash and divide by the wood's weight: that is your yield. Note the species.

Amathuluzi adingekayo:

IsikaliIsikali
6

Keep it dry

Store it in the lidded metal bucket in a dry place. Damp ash cakes, and rain washes the potassium out of it.

Amathuluzi adingekayo:

Ibhakede lensimbi elinesivaloIbhakede lensimbi elinesivalo

Izinto

4

Amathuluzi Adingekayo

8

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