I thought foxtailing was from stress, temps too high, light too close, light leak, that sort of thing. I grew 3 different phenos of ww x bb two were good and dense. The other foxtailed like mad! Exact same conditions as the other 2 phenos. So for shits and giggles i kept the clones from her and thought i wouldnt push her as hard and see what she does then. I dropped my co2 level from 1300ppm down to 900ppm, dropped my temps from 30-32 degrees celcius to around 26-28. Raised my lights a little and had the exact same result. (No light leaks either) i threw it up on one of the forums here and was asked if id ever seen a pure indica foxtail? And i couldnt say that i had...? A few of the guys say its the sativa genetics and some used to call foxtailing exotic!! Nothing wrong with a bit of foxtailing. Just peoples perception of it i think!! Keep going with her she's looking great man!