Manganese Sulphate Monhydrate (32%) is an affordable source of Manganese used in hydroponics and Soliless media. Also know as "Tech-Mag".

• To supply 0.5 ppm Mn: 1.5 g/ 1000 L of nutrient solution.
• For soil application: up to 120 g per 10 m² (1/4 lb per 100 ft²).