did the prooblem start when you started adding bloom fert and if not then what fert where you using b4..remember your bloom fert has less nitro then veg fert..so if they were looking like that b4 the bloom fert then i wouldnt say its a nitro problem,,unless you werent using any fert b4 the bloom fert...and since your plant is budding then it is also a natural reaction for your plant to transfer its energy to the budding and not so much the leaves..