Every kit contains all you need to grow your chosen herb. Recycled wine bottles are used to construct the body of the system, all edges are ground by hand so theres no need to worry about sharp corners left over from cutting the bottle. Watering the kits could not be simpler just keep an eye on the water line (clearly visible) and top up when needed, every couple of weeks. Each kit contains enough organic hydroponic fluid for you to be able to grow your herbs for approximately two years. The kits also come with spare parts so that if your horticultural skills require a little honing theres a second chance waiting. All the parts of the kit are either recycled or biodegradable, the main body of the kit is a recycled wine bottle that are cut in half and then ground off by hand to make it safe. The kits are best placed on a bright windowsill to get as much clear sunlight as possible. Let the plants get established before you harvest and they will recover more quickly ready for