I use the Aptus feeding and I use about ¾ of the dose on the schedule
Some other details:
3 x 600 watt on 2m2 (one big bucket with soil)
50 x amnesia haze
3 to 4 days I give them appr. 50 liters of water (I use a Tensiometer)
Min temp about 20 degrees Celsius and the max temp is about 32...