Cyco Commercial Grow is great for all hydroponic applications such as drip systems, DWC, rock wool, coco and it is also suitable for all soil applications. Cyco Commercial is compatible to all water types with no changes needed to the mixture or the amount used. When you dissolve Commercial Grow into your water, it is visibly clear and leaves no residue. Our commercial range of products contains all the added macros, micros and aminos that are needed to grow and flower a perfect crop with no extra additives needed, or additives can be added if the grower desires different specifications, for optimum results. Use 1 - 2 teaspoons per gallon fresh water (5 - 10 grams per 4 liters fresh water). For soil apply nutrient once or twice weekly and use plain water between applications. For hydroponics change the nutrient reservoir weekly. Use mild strength nutrient for delicate plants and full strength nutrient for robust plants.