It's not necessary to water with CANNA Coco in advance of planting. It is recommended to drip the coco with nutrient solution (7.5 ml CANNA Coco A & 7.5 ml Coco B /gallon , pH 5.2-6.2) until drain appears. The coco now contains enough nutrients and water for a couple of days. Furthermore, the right temperature (68-77 °F) and high air humidity guarantee an optimal start.