If you see that there is a small residue on the candle, white bloom or oil residue, then it will be enough to clean it or replace it with a new one.
Haddii aad aragto in uu jiro wax yar oo ka baxsan shumaca, ubaxyada cad ama saliida hadhaaga, ka dibna waxay noqon doontaa mid kugu filan inaad nadiifiso ama ku beddesho mid cusub.