You will need
  • - sand;
  • - gravel;
  • - warm water;
  • - bleach;
  • - essential oil of tea tree;
  • soda;
  • - vinegar;
  • - special means of directed action.
Pour into the canister a little sand and throw a few stones, then pour inside several glasses of water. Close the tank stopper and shake (sand with gravel in this case will act as an abrasive). Pour contents of cans, a few times, rinse it under running water for a while then pour inside the sanitizer, and then again wash with water.
Purchase at the pharmacy oxalic acid. Pour it in the canister and leave for a while, and then rinse the tank with water.
Pour into the canister of a half glass of warm water and add a couple of teaspoons of essential tea tree oil. Then close the tank, shake it well and leave for half an hour. Once done, rinse the canister with sufficient amount of water.
Sprinkle the inside of the canister a few tablespoons of baking soda and then pour some vinegar (the baking soda and vinegar will react chemically, which will stand out gas and heat). Wait until the reaction stops, and then rinse the canister with water.
Buy means of directed action, designed to combat mold. Carefully read the annotation and perform all required mold removal actions.
Pour a canister of chlorine-based disinfectant and leave for ten minutes to fifteen, and then carefully rinse the tank with water.