Here are some pictures. I do not think it is the heat, the light is almost 20'' from the plants. I feel confident it is some sort of deficiency. The edges discolored, a few brown areas around the tips. The leaves are pointing straight and I had to cut off a few completely yellow leaves. No clue what is going on, these gals have been near perfect since day one. Maybe they have the clap?
How long has this problem been going on? About 1 week approx.
What STRAIN are you growing? Moby Dick
What was the establishing technique? (seed or clone?) Clone
What is the age of your plants? 13 weeks
How long have they been in the soil mixture they are in now? 6 weeks
Were they in the same mixture when they were seedlings/smaller plant? If not, what mixture were they in before? Same
How Tall are the plants? 31
What PHASE (seedling, vegetative or flower) are the plants in? Flowering
What size pots are you using? (Include how many subjects to pot) 5 Gallon Bucket
What substrate/medium are you using? Soil, Perolite, Peat Moss using?(percentage of perlite, vermiculite...etc?) Just regular potting soil with no nuts.
What brand Nutrient's are you using? General Hydroponics
How much of each nutrient are you using with how much water? *Knowing the brand is very helpful* 1 Tsp of Bloom (once a week) 1/8th of Tsp of flourilishus plus (once a week)
How often are you feeding? 1 feeding a week
If flowering, when did you switch over to using Bloom nutrients? The second day of flowering
What order are you mixing your nutrients? (example: veg nutes 1st, bloom 2nd ect) Mix both together in a 3 liter, never kept track of the order
What is the pH of the "RUN-OFF"? Not sure about run off, ph of the dirt is 7.0
What method of pH test was administered? Using Strips? pH pen? Digital reader
How often are you watering? 3 ½ time a week
When was your last feeding and how often are you feeding? About 4 days ago, usually once a week.
What size bulb are you using? 400 W. HPS
How old is your bulbs? 1 GROW
What is your RH Factor? (Relative Humidity) 48%
What is the canopy temperature? 75.6
What is the Day/Night Temp? (Include fluctuation range) Not sure about the night, day is 76 degrees F
Tell us about your ventilation, intake exhaust and when its running and not running ? Ventilation is subpar, we have an exhaust but not a full exhaust going outdoors, limited fresh air. My buddies plants are in a very large area though.
Is the fan blowing directly at plants? No, its swirling
What water are you using? Reverse Osmosis (RO)? Tap? Bottled? Well water? Distilled? Mineral Water? Distilled
Has plant been recently pruned, cloned or pinched? No
Have any pest chemicals been used? If so what and when?
Are plant's infected with pest's? No, occasional knat but no more than one-two at a time.
