i'm pretty new at this hydro thing myself, but i would keep my ppm's at about 1400 right now, then about week 6 take them up to 1600, then depending on strain, i would flush about week 8 or 9 for a week. i do my work w/o checking ppm's so you might want to wait on stinky for a second opinion.
basementbotany Reviewed by basementbotany on . whats wrong w this bud This WR grown in hydro, 2000ppm, 4th week of flowering The only nutrients we have around contains following in 1000gr Calcium Nitrate 18%Ca 14%N 45.6 gr Potassium Nitrate 39%K 14%N 56gr MonoPotassium Phospat (MKP) 28%K 22%P 23gr Magnezium sulphate %10Mn %13S 29gr manganese Sulphate %25Mn S%14 0.12gr Boric Acid %17B 0.15gr Zinc Sulphate %13Zn 0.06gr Copper Sulphate %25 Cu 0.02gr Rating: 5