Alum
Colourless astringent compound that is a hydrated double sulphate of aluminium and potassium, used in water purification.
Colourless astringent compound that is a hydrated double sulphate of aluminium and potassium, used in water purification.
Colourless astringent compound that is a hydrated double sulphate of aluminium and potassium, used in water purification.
You want to stay up to date about water entrepreneurship?
Subscribe here to the new Sanitation and Water Entrepreneurship Pact (SWEP) newsletter!