just cuz you read it in a forum dont mean its true scar cuts do get passed around and im sure something as popular as nl definately got passed around hell its been in my area for ages at least since 89 my pops grew it way back when i was really young!!
i really dislike my digilux mh compared to my ushio blues. the opti blues keep node spacing tight and th plants look real healthy under them. i would like to try the horti blue but there twice the price of any other mh bulb
yo batman all hortilux bulbs are e ballast safe now i use opti reds and horti and i have all digtals and ive never had a problem and the new hortilux boxes say e-balast compatible! i do notice better yeilds under ushio though but a little better trich coverage with the hortis.
male female ratios depend mostly on your environment not each breeders techniques just keep your temps on the lower end of acceptable 18/6 veg and try not to stress them and you should get quite a few females with any breeders gear!