Seedling 20 hours of light, 4 hours of darkness 20 4 Vegetative phase 18 6 Flowering phase 12 12. Lights, fans, separate clone, veg and flower chambers, timers and carbon filters all ready to plug and play. Then we will send you a free seed of your choice.  Source: <a href="https://susbirportal.com/shopping-for-cannabis-seeds-10-issues-you-want-to-know.html" rel="nofollow">https://susbirportal.com/shopping-for-cannabis-seeds-10-issues-you-want-to-know.html</a>