MasterLine I contains a concentrated microelement formula. MasterLine I contains all the micro-elements required for the harmonious development of aquatic plants in the optimum form and concentration. The standard dose is sufficient in most cases. MasterLIne I helps prevent iron deficiency with washed-out colours in new leaves. Avoid the use of UV lamps. It is recommended to use MasterLine I together with MasterLine II and MasterLine Carbo. This will provide aquatic plants with all the necessary nutrients for healthy growth. Thanks to the high quality chelators, the nutrients in MasterLine I retain their properties for longer.MasterLine I+ fertilizer for ornamental aquarium plants, which contains all the micro nutrients necessary for a harmonious development+ provides an accelerated growth rate, similar to MasterLine All In One Boost but with more control+ suitable for dutch tanks, with plenty of plants, and fast growth rate+ allows separate control in dosing micro to macronutrients+ c