Gypsum may be an unfamiliar name to many but we are surrounded by it every day. It is a mineral used to make types of plaster ...

Fertilizer for clay soils: 4 litres seed meal (I use alfalfa meal) ½ litre agricultural lime ½ litre agricultural gypsum 1 ...

Hair experts have revealed that you should be worried about how hard water - water with high levels of minerals - might be ...