using JW's NL f2 started with seed got 2 females out of 10, Have grown in past with 1000w HPS always successful now using 400w hps, light is within 15 inches of plant, plants veg for 4wks, on 12/12 now for 17 days, now buds are small and loose is this normal?will they fill up in time?or am i just worried for nothing.plants very healthy cannot get pics up at the moment. Thanks all!