MasterLine RootMax is a powerful long-term soil additive that has been specially developed to promote the root growth of aquarium plants and provide them with essential nutrients directly in the substrate. The organic composition ensures a long-lasting supply of micro and macronutrients, allowing plants to grow more vigorously and develop more intense colours. MasterLine RootMAX contains all micro and macro nutrients necessary for plants, but also amino acids, humic and fulvic acids, hormones, enzymes and vitamins MasterLine RootMAX+ fertilizer for ornamental aquarium plants, in organic form+ it gets colonized with microorganisms that contribute to the gradual release of nutrients and facilitate absorption thru the roots+ works on the same principle as an aquasoil, but much more concentrated, and with a stronger release over a period of 6-12 months+ transforms an inert substrate into a nutritious one and brings back to life substrates depleted of nutrients+ contains 100% natural ingred