Back then we bought a complete system from Graf: that is, a cistern and a pump. I think a ground connection was also included, but we didn’t use it. When it was installed, our garden plan was not yet finalized, so we did not plan any irrigation. Later I asked if it could still be done, but we would have had to go so deep because of frost protection that it would have been a huge effort. Now we just have a simple water tap in front of and behind the house, which is supplied by the cistern, and next to each hangs a hose reel with 30 and 25 meters of hose respectively. It works well and for me watering my garden is my form of meditation. However, we do have a small garden.