It's a product suitably studied to supply a balanced and complete feeding to all sorts of cactuses (Cactaceae, Euphorbiaceae, Crassulaceae, Agavaceae etc.). EC Fertilizer NPK 4-6-8+B+Cu+Fe+Mn+Zn healthier and stronger plants. Use: the content of one cap (30 g) in 3 litres water every 15-20 days in spring-summer. It is advised to stop fertlizing in autumn-winter.