Limewater is the common name for a diluted solution of calcium hydroxide. Calcium hydroxide, Ca(OH)2, is sparsely soluble in water (1.5 g/L at 25 °C. Pure limewater is clear and colorless, with a slight earthy smell and an alkaline bitter taste of calcium hydroxide. The term lime refers to the alkaline mineral, and is unrelated to the acidic fruit.
Boric acid also called as a hydrogen borate, boracic acid, and orthoboric acid and acidum boricum. It is chemical formula is H3BO3 .Boric acid is a white or clear-coloured, odourless, and tasteless compound that dissolves in water. It is a mild acid which is relatively non-toxic to humans and non-carcinogenic, and a wide variety of uses in the home.
Uses
Pest control
Aluminium sulfate is a chemical compound with the formula Al2(SO4)3. It is soluble in water and is mainly used as a coagulating agent in the purification of drinking water and waste water treatment plants, and also in paper manufacturing.