Gypsum is a slow-release source of sulphur and calcium which play a keyrole in improving soil structure, aeration and water retention. So you cangrow better, healthier crops. When Gypsum dissolves, it releases equalproportions of calcium and sulphate. Calcium sulphate improves thestructure and consistency in soil and most other growing media allowingbetter water penetration and retention. Gypsum is an environmentallyfriendly, natural mineral that is mined from ocean deposits formedcenturies ago. It's non-toxic and not harmful to people oranimals.

Instructions
Shake the bottle well beforeuse. Mix 5ml of Nitrosol per 1 litre of water. Be sure not to store themixed material, as it will begin to decompose. Apply Nitrosol onto thesoil, thoroughly drenching th root areas. Alternatively apply as a foliarspray with a garden sprayer. Apply at 7-10 day intervals. For house plantsapply every 2-4 weeks during spring and autumn.