Then pour 200 ml of water into a saucepan , add the citric acid and heat the mixture over low heat. At the same time, mix the corn starch with about  50 ml of water  and the ecological dishwashing liquid.

Finally, add the corn starch and dish detergent mixture to the saucepan containing water and citric acid, bring everything to the boil and you will notice that a mixture with the consistency of a thick gel will form  .

Then, turn off the heat, let it cool and add, if you prefer,  a few drops of tea tree , which boasts  disinfectant and antibacterial properties .

To use, pour this gel into  a container with a spout  or even a simple plastic bottle and pour it into the toilet daily, leaving it to act for a while  before scrubbing and flushing.

Surfaces where mold accumulates

Other surfaces that need to always be cleaned to always have a sanitized and healthy environment are those that tend to accumulate mold.

Usually, these are those continually subject to water or excessive humidity , such as the shower cubicle. To clean them, I suggest you use hydrogen peroxide , which is able to eliminate mold and bacteria  effectively.

Then pour the hydrogen peroxide onto the cotton pads, then apply them directly to the mold stains and leave to act for about an hour.

At this point, scrub with a sponge and rinse thoroughly. Hydrogen peroxide will not only eliminate mold but will also help prevent it from returning .

Furthermore, I recommend  airing the bathroom several times a day , especially after a hot shower.