you should observe your plant closely and get the feeling.water-nutes or nutes-water not that important.As long as you handle dosages and watering well,no need to skip on nutes.To me,pure watering sessions should only be made when there is some exces of nutrients in soil.Once you start giving those bottled nutrients to your plant,they want it every feeding.You probably made many searches on internet and found diaries where leaves were fading to yellow near harvest.This happens when you don't feed your plant and it starts to use what is left in soil,then in their leaves.You don't want it to happen earlier in its lifespan.I just go "nutrients-nutrients-nutrients..." like this.just dont overfeed