The hydroponicskit contains
1x waterbrain with all probes/sensors
1x waterpump with all stuff needed (mixpump, dosing pumps, wire, tubes, fitting)
having the right ph and nutrient level in your setup is critical to ensure a great harvest in terms of quality and quantity.
the days of measuring those with multiple devices, on a daily basis are over.
waterbrain will monitor all that in real time and alerts you when levels go out of range.
easy to maintain, and equipped with industrial sensors, it'll take care of your plants for a long long time!