Muddo intee le'eg ayaa kareemku u sii nagaanayaa adhululubo gaas(Weelka wax lagu kaydiyo ee ay ka buuxdo Nitrogen Dioxide Gas ee loo adeegsado) waxay kuxirantahay dhowr arrimood, oo ay ku jiraan in xasilinta lagu daro, xaaladaha kaydinta iyo inay dib-u-kiciso.
Waxaa lagula talinayaa in si dhakhso leh loo isticmaalo kareemka la garaacay, laakiin haddii uu jiro wax harsan, waxaa lagu keydin karaa qaboojiyaha ilaa 1 maalmood. Haddii aad rabto kareemadaada inaad sii dheeraato, ku dar nabaad-guur inta lagu gudajiro hawsha caddaanka, sida gelatin, budada caanaha caanaha ee caanaha ah, shukulaatada doofaarka ama qulqulka. Kareemka la shiiday ayaa ku hayn doona qaboojiyaha 3 ilaa 4 maalmood. Haddii aad rabto kareemkaaga inaad sii dheeraato, ka fikir inaad ku buuxiso buriskaaga oripper-ka gaaska nitrogen dioxide, kaas oo ku hayn doona qaboojiyaha illaa 14 maalmood.
Waxaa kale oo muhiim ah in la keydiyo kareemka haradka, kareemka la garaacay ayaa lagu keydin karaa iyadoo shaandhayn shaandho shaandhow si kasta oo dareeraha ah ay u kala baxaan salka hoose ee saxanka halka kareemka uu ku yaal dusha sare, dayactirka tayada habboon. Isla mar ahaantaana, waa inaad iska ilaalisaa isticmaalka 10% ee ugu dambeeya ee kareemka ah ee ka kooban dareere badan, taasoo horseedi karta hoos udhaca tayada kareemka.

Caadi ahaan, kareemka lagu garaacay ee guriga lagu xumaado ayaa ku jiri doona wax cusub oo ah mashiinka ku dhaca, iyo kareem la burburiyey oo leh xasillooni ku jirta illaa 4 maalmood. Intaa waxaa u dheer, kareem sidoo kale waa la qaboojin karaa oo lagu keydin karaa. Kareemka barafoobay waxaa lagu tuuri karaa qaab gaar ah waxaana lagu meeleeyaa qaboojiyaha ilaa adag, ka dibna loo wareejiyaa boorso xiran oo loogu talagalay kaydinta oo loo baahan yahay in mar labaad la isticmaalo ka hor.
Guud ahaan hadalka, haddii aan la istcimaalayn la istcimaalo, guud ahaan waxaa lagu talinayaa in la cuno kareem la soo saaray 1 maalin gudahood. Si kastaba ha noqotee, haddii lagu daro in durugsan lagu daro, ama buriska waxaa ka buuxa gaaska nitrogen dioxide, waqtiga cusub ee kareemka waxaa lagu kordhin karaa 3-4 maalmood ama xitaa 14 maalmood. Waa in la ogaadaa in kareemka la garaacay uu ku haray qaboojiyaha muddo ka badan waqtiga lagu taliyay, ama haddii uu yahay mid caaryo ah, ama lumiya, ama lumiya mugga, ama mar dambe lama isticmaali karo. Had iyo jeer iska hubi tayada ka hor intaadan u isticmaalin si aad u xaqiijiso inaysan jirin wax aan la xusin si loo hubiyo badbaadada iyo caafimaadka.