hi all, new here and on my first grow with auto,s in paragon soil. im 4weeks in and showing good growth,but 2 of the larger ones are starting to turn yellow at the tips of the leaves, think its lacking some food i hope. im starting to put them on a feeding program and all i have is advanced nutrients grow micro bloom.is giving them only micro and bloom a bad idea, i was thinking of a 1.2 schedule with these 2 nutes. to be honest im not to sure. any help much appreciated with what iv got