Discount code for Mars Hydro- ( CCFC ) Discount code for Photontek ( Cocoptk5 ) @Drmjcoco and @Max_scrim_n_ruby on instagram. in today's episode we talk to Dr. Coco about lighting and what to look for when purchasing a new grow light. This is one of the more expensive parts of your grow as well as one of the most important parts to your grow, i did list above some discount codes for two of Dr.Coco's recommended grow light companies. I also highly recommend checking out Cocoforcannabis.com for all the tools we talked about to help you be successful in your next grow!