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actual i forgot i did have uv,ir and 660nm put in aswell.

So the first water looks to be OK. i'm doing 1. 2 minute water half hour after lights on and no afternoon water. putting in around 7-8 ltr and getting out about 600-700 mls . Dropped the ec down to 1400 in run off. (pots are 50 ltrs.) will monitor pot weight to see if i need afternoon water.

3500k with added 730nm at end of day.

1200 watt over. 1.3mtr * 2.5mtr.

was also thinking of dropping the feed to 800-900. (from 1.7 to 1.2). i have increased the morning water to get around 10% run off. left afternoon feed the same. what about PH, will getting nutrient level right, correct this? The big problem i have had with all my grows since changing over to...

i feed with 1100-1200 ppm and PH 5.8-6.0. in coco (under LED). my run off is coming out at 2100 ppm with PH at 5.0 plants look fine at the moment.(i'm 3 weeks into flower) should i be trying to correct this?