UrbanCultivator Posted October 23, 2020 Report Share Posted October 23, 2020 Indoor/Outdoor: Indoor Growing Medium: SoilGrowing Style: LSTWatering/Feeding Frequency: As needed, alternate one clean water, one advanced nutrients grow micro bloom Nutrient Strength (PPM/EC): As per feeding chart PH Levels: 7.0Temperature/Humidity Levels: 16c - 24c Air Flow/Fans etc.: Intake and exhaust Lighting Type (CFL/HPS/MH etc.): Viparspectra P1000 LEDTotal Wattage: Growth Stage: Few weeks into flowering Plants Age: Cannabis Strain: Fruit Slap (Europa Seeds) Feminised Hey guys, I'm a few weeks into flowering and I am getting some rust coloured marks on leaf veins as well as some yellowing. Mostly older foliage. Up until now plant has been healthy. Some colouration of leaf tips too (purpling), associated with cold springtime temps at night. My thoughts are it is a manganese deficiency cause my possible PH issues (being too high), but I'm not sure! Any help would be appreciated. UG Quote Link to comment Share on other sites More sharing options...
micmac Posted October 23, 2020 Report Share Posted October 23, 2020 Looks like low temps high humidity causing rusts spotsImprove air exchange and movement, raise temps at night Sent from my SM-T510 using Tapatalk Quote Link to comment Share on other sites More sharing options...
UrbanCultivator Posted October 23, 2020 Author Report Share Posted October 23, 2020 Looks like low temps high humidity causing rusts spotsImprove air exchange and movement, raise temps at night Sent from my SM-T510 using TapatalkInteresting diagnosis micmac. Have been having really high humidity lately and low temps. I'm running a seedling heat mat on 24 hrs. I might try and improve air movement in the tent (basically a microtent) as much as I can. I have also added damprid but I know it's not as helpful as a dehumidifier. Quote Link to comment Share on other sites More sharing options...
micmac Posted October 23, 2020 Report Share Posted October 23, 2020 Addressing temps would be a easier option,heat mat ain't going to cut it im afraidIts reaching dew point , so all the water in the air is becoming liquid More air movement will help Sent from my SM-T510 using Tapatalk Quote Link to comment Share on other sites More sharing options...
UrbanCultivator Posted October 23, 2020 Author Report Share Posted October 23, 2020 Addressing temps would be a easier option,heat mat ain't going to cut it im afraidIts reaching dew point , so all the water in the air is becoming liquidMore air movement will help Sent from my SM-T510 using TapatalkThanks micmac. Do you think the heat pad would be doing more harm than good? I'll get the air movement ramped up. Quote Link to comment Share on other sites More sharing options...
micmac Posted October 23, 2020 Report Share Posted October 23, 2020 Don't think I'd be heating roots up , probably doing nothing really anyway Sent from my SM-T510 using Tapatalk Quote Link to comment Share on other sites More sharing options...
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