Less synthetic chemicals, more savings! It’s fun to do... and even kids can help! Boil 200 ml of water and add 4 grams of agar-agar (powdered seaweed, sold in sachets or small pots in health & organic stores). Keep boiling for 3 minutes while stirring, extinguish and then add to the mixture: 150 ml of white vinegar + 20 drops of lemon essence (or Siberian pine essential oil, or rosemary cineole or eucalyptus radiata/globulus essential oil) + 20 drops of tea tree essential oil. Then pour into small plastic or cardboard baking pan (such as small cake or financier cake baking pan, small tartelette baking pan) and leave to cool. All that's left to do is hanging a block on the bowl with a wire (or a piece of clothes hanger) and it will be very effective. Unused blocks can be kept for several weeks, as long as they are kept in a cool place.
