Hey all, I setup a new grow using canna coco and canna coco nutrient line plus using mammoth P as well in vet and flower.
I am replicating vaderog's (ocean grown seeds/youtube) grow style. I am using flood and drain tables and recycling nutrients. I feed about 1.3-1.4 ec. 3 times during lights on and once during lights off. I am in a sealed room with co2 using a mix of 1000 hps and 1000 gavita's.
I just recently learned of VPD and realized my humidity is far to low to be growing in 85-89 canopy temps with co2 and only 50 percent humidity. So in the meantime until I can get my humidity up to 65-70 percent I have lowered co2 to 750 ppm and canopy temps to ~74-76 range. Still looking for a good humidifier that is up to the task of getting humidity up to those ranges. I am exhausting also twice a day, once mid day and once after lights off for 15 minutes each. Intake through a phresh intake filter and exhausting through a can carbon filter.
The problem I am having is I have yellowing on a few plants. Almost like a nitrogen deficiency, but I don't think that is the problem. I did add a little cali magic as well once the problem started, not much, maybe 75 ml in the 40 gal res. It may be related to the environment issue or something else is off. It has been yellowing from lower leaves first for the most part and working its way up. New growth looks very good as they are coming in though.
Anyone familiar with growing in this style and have some recommendations on nutes/environment or perhaps current issue I am having?
I am replicating vaderog's (ocean grown seeds/youtube) grow style. I am using flood and drain tables and recycling nutrients. I feed about 1.3-1.4 ec. 3 times during lights on and once during lights off. I am in a sealed room with co2 using a mix of 1000 hps and 1000 gavita's.
I just recently learned of VPD and realized my humidity is far to low to be growing in 85-89 canopy temps with co2 and only 50 percent humidity. So in the meantime until I can get my humidity up to 65-70 percent I have lowered co2 to 750 ppm and canopy temps to ~74-76 range. Still looking for a good humidifier that is up to the task of getting humidity up to those ranges. I am exhausting also twice a day, once mid day and once after lights off for 15 minutes each. Intake through a phresh intake filter and exhausting through a can carbon filter.
The problem I am having is I have yellowing on a few plants. Almost like a nitrogen deficiency, but I don't think that is the problem. I did add a little cali magic as well once the problem started, not much, maybe 75 ml in the 40 gal res. It may be related to the environment issue or something else is off. It has been yellowing from lower leaves first for the most part and working its way up. New growth looks very good as they are coming in though.
Anyone familiar with growing in this style and have some recommendations on nutes/environment or perhaps current issue I am having?