can any one tell what these spots are on my plant they are 24 ins. and i started to force to bud picture included Please Help!!! I am running an 400 watt HPS sytstem, I water once a week, my plants are approximately 8 weeks old. I have only fertilized once two weeks ago, and they looked fine after fertilizing. I am using a qualty soil,a nd I have been using 12/12 for last 3 days to force budding. Should I change my ferilizer? I have been using Miracle grow All purpose (once) and the plants reacted fine. Is this palnt underfertilized b/c I am not using a blooming fert., or is ther some othe problem? Please advise. The palnts are only reaching 80 degrees farenheight when undre the 12 hrs of light.
HIGH All, looks like Magnesium deficiency....what's your PH at? Here's a good link that will help. Here's another great read about Nutrient deficiencies
PLEASE HELP!!!, i have most likely been overwatering my plants, the leaves nearest the roots are browned and dead, they remaning healthy leaves are developing white spots that easily rub off, i give them nutrients every third day the nutes i use are from gen. organics and i give a tablespoon of bio grow, CAMG+, bio root, bio weed, bio marine, i was watering every day with half a 8 oz glass of crystal geyser, im trying to indentify any potential pests or fungi before the flowering process because they are devoloping pistilattes please any who can diagnose the issues i will be extremely grateful. ps. this is my only kush supply until i get a job and i will most likely be unable to sleep because i need my medicine for a full restful night. Thank you in advance.