Content: What is orthophosphoric acid? Precautions Removal of rust Etching of parts with full immersion Application of acid to the surface Removal of rust from the surface of bathtubs, toilets and washstands Rust converter What is better to choose? ...

Contents: How to choose a detergent? Cleaning the kitchen and the bathroom Universal tools Environmental products Cleaning with natural remedies How to disinfect? To achieve perfect cleanliness, you need disinfectants for the house. They will help to cope...

Contents: Wash aid Cleaning and washing with soda ash Hygiene Be careful! Calcined soda is the chemical name of sodium carbonate. Both calcined and baking soda are alkali, only one weak, the other strong. Food can cope with small dirt, besides it is much more exp...