""Cannabis plants like high levels of N and moderate level of P and K during vegetative growth. You should select a soil that that has all three. When choosing a chemical fertilizer you need a mixture with high N, and P and K levels that are equal to or lower than N. Any of the following combinations would be suitable: 12:12:12, 20:20:20,12:6:6, or 185.The 12:12:12 and 20:20:20 are best.""



What is 12:12:12, 20:20:20. 12:6:6????