If you're just getting started on the trail to becoming a master gardener, there's no better place to start that with a Dutch Pro kit. This Dutch Pro Hydro/Coco Starter Pack – Hard Water contains everything you need to get growing your own crops in no time. The comprehensive package includes a variety of nutrients, designed to take you through the whole process, from vegetation to flowering. The clear feed chart makes it easy for you to keep on top of watering, achieving breathtaking yields from your very first growing season. The kit works with both coco and hydroponic systems.