Ive always just gone up to 1400, all the advice Ive been given has also said 1400. I let the TDS go up to 1600-1800 in the last two weeks as they didnt seem to mind and I was giving them a regular flush.
Icon72 Reviewed by Icon72 on . Yeilds and our setup. Hi all, were in to our 4th room now and its always changing, weve upped the lights and now are only growing 4 plants. Our previous room only yeilded 2.5 lbs of 6 plants and the setup was like this... Background information: We were using a 3 x 3.5m room with panda walls and floors. 5 x 600w hps lights - all with horizonal light configurations, two with chinamen shades and 3 with 'batman' shades tap water with normal tds 350 nutrients starting at 850 in grow out to 1400ppm in bloom Rating: 5