Please help me diagnose this

[mackattack805]

SOIL:

How long has this problem been going on?
4 days

What STRAIN are you growing?
SR71/Bluesky Hindu Skunk

What was the establishing technique? (seed or clone?)
Clone

What is the age of your plants?
3 weeks flowering

How long have they been in the soil mixture they are in now?
Since planted from clone

How Tall are the plants?
3.5-4 ft

What PHASE (seedling, vegetative or flower) are the plants in?
3 weeks flowering

What Technique are you using? (SOG, SCROG etc)
SCROG (technically I just added a screen right before flipping to flower, I didn't do any SCROG training)

What size pots are you using? (Include how many subjects to pot)
5gal pots, 1 plant per pot

What substrate/medium are you using? What brand of soil mixture are you using?(percentage of perlite, vermiculite...etc?)
Foxfarm Ocean Forest

What Nutrient's are you using?
Pureblend Pro Bloom nutrient mixture for soil

How much of each nutrient are you using with how much water? *Knowing the brand is very helpful*
I use 60% of the recommended mixture (about .6 oz / gal, label says 1oz/gal)

How often are you feeding?
I mix a bucket of water + humic acid + nutrients and feed with every watering. Whenever soil looks dry and pot feels light, about every 2 days

If flowering, when did you switch over to using Bloom nutrients?
Day 2 or 3 of flowering

What order are you mixing your nutrients? (example: veg nutes 1st, bloom 2nd ect)
Maybe I don't understand this question, but I mix veg nutes and bloom nutes in different buckets

What is the TDS/EC/PPM of your nutrients used?
not sure

What is the pH of the "RUN-OFF"?
not sure

What method of pH test was administered? Using Strips? pH pen?
I use a dropper bottle of the pH testing solution added to a small sample of water in a testing tube to test the water I use for watering.

How often are you watering?
About every 2 days.

When was your last feeding and how often are you feeding?
Last fed 3 days ago, June 19th

What size bulb are you using?
400w hps coil and 600w hps digital ballast

What is the distance to the canopy?
18-24 inches, plant is also not directly below lamp, it is in front of hood by about 1.5 feet

What is your RH Factor? (Relative Humidity)
40-45%

What is the canopy temperature?
not sure

What is the Day/Night Temp? (Include fluctuation range)
room daytime temps (lights on) hang around 85 degrees fahrenheit right now during summer
night temps are about 80 degrees fahrenheit

What is the current Air Flow? (cfm etc.)
8" elicent exhaust fan, i think about 650cfm

Tell us about your ventilation, intake exhaust and when its running and not running ?
exhaust fan runs for 12.5 hours, turns on slightly before lights turn on and turns off slightly after, no intake fan

Is the fan blowing directly at plants?
8" fan is exhausting air out of room, I have two regular house fans blowing air through canopy and beneath canopy.

Is the grow substrate constantly wet or moist?
Moist, usually drys out fairly fast (2-3 days) I think due to the high room temps

Is your water HARD or SOFT?
Not sure

What water are you using? Reverse Osmosis (RO)? Tap? Bottled? Well water? Distilled? Mineral Water?
I use tap water and add humic acid

Are you using water from a water softener?
no

Has plant been recently pruned, cloned or pinched?
no

Have any pest chemicals been used? If so what and when?
I spray with a product called plant success which contains mycorrhizae, I use as a powder mildew repellent. Last run with Hindu Skunk I had massive powder mildew problems, but this seems to keep it pretty well controlled.

Are plant's infected with pest's?
I have noticed several of my other Hindu Skunk have developed a little powder mildew since the last spray, but not much and are still quite healthy. This specific plant however I have not noticed powder mildew before or after spraying, but it has been sprayed as a preventative measure along with the rest about a week ago.

Here are a few pictures, hopefully even with the hps on in the background the pictures will still be good enough. If not I can try to retake them with it off.





Here is a closeup of the leaves, they seem to be droopy and are starting to get crunchy.

 

[Weedninja]

You sprayed the soil or the leaves?
http://www.humboldtwholesale.com/taxonomy/term/41
Is this the product you mean?

 

[mackattack805]

In the link you posted its the "Plant Success soluble" one. I can't remember the mixture ratio I used off the top of my head but could find out tomorrow when the lights are on.

 

[heavy dank nugg]

looks like a whole lot of over fertilaziation........ you need to flush them clean using a p.h.8-9 to neutrilaze all the acid.... then once they make a speedy recovery. alternate your feeding. only use nutes every 2nd or 3rd. watering...... check your runoff. b4 you flush i bet the ph is 4.9 or lower and the ppm's are through the roof.... good luck

 

[ibjamming]

looks like a whole lot of over fertilaziation........ you need to flush them clean using a p.h.8-9 to neutrilaze all the acid.... then once they make a speedy recovery. alternate your feeding. only use nutes every 2nd or 3rd. watering...... check your runoff. b4 you flush i bet the ph is 4.9 or lower and the ppm's are through the roof.... good luck

I agree with this suggestion... Give it a good flush and cut way back on the nutes. Like a 25% solution. Better to have a slight underperformer than a dead plant.

But I have a question...did you let it dry out too much? It almost looks like you forgot to water it for too long and it wilted.

 

[hanz.progress]

How much N-P-K you use??

 

[mackattack805]

heavy dank nugg: thanks for the suggestion, I just did a soil flush using about 15 gal of 8.5-9ph water for the 5 gal pot I am using, I read somewhere that you want to use water 3x the amount of your pot. Hopefully this thing perks up within a few days. Also, I rarely have runoff when watering, is that a good or bad thing or does it even matter. I don't try to saturate the soil to the point where runoff occurs, I just use enough water to get the soil wet but not soaked.

ibjamming: I don't think that I was overwatering it, I use the same amount of water for all my 5 gal pots and the other Hindu Skunk plants are flourishing. However I will be more careful with how much water I give it and what strength of nutrients to use in the future. If I was indeed giving too many nutes, I wonder why this plant in specific didn't like that but the others are fine with it.

hanz.progress: Pureblend Pro Bloom 1.5-4-5

 

[heavy dank nugg]

heavy dank nugg: thanks for the suggestion, I just did a soil flush using about 15 gal of 8.5-9ph water for the 5 gal pot I am using, I read somewhere that you want to use water 3x the amount of your pot. Hopefully this thing perks up within a few days. Also, I rarely have runoff when watering, is that a good or bad thing or does it even matter. I don't try to saturate the soil to the point where runoff occurs, I just use enough water to get the soil wet but not soaked.

ibjamming: I don't think that I was overwatering it, I use the same amount of water for all my 5 gal pots and the other Hindu Skunk plants are flourishing. However I will be more careful with how much water I give it and what strength of nutrients to use in the future. If I was indeed giving too many nutes, I wonder why this plant in specific didn't like that but the others are fine with it.

hanz.progress: Pureblend Pro Bloom 1.5-4-5

it could also be due to not enough drainage in your soil.

 

[mackattack805]

how long after flushing should I expect to see signs of recovery?

 

[mydnytetoker]

I had a very similar situation with my first garden. I have a multistrain garden and used the same nutes and Happy Frog soil. I was not concerned with my tap TDS/EC conditions and was erroneously pH-ing the water BEFORE nutes and I burned a lot of mine. I had to do several flushes and invested in an RO system, a good 3 in 1 pen, and use about 10% of listed dosages on PBP nutes. Most plants recovered but yields are going to be greatly reduced. I recommend you buy a good 3 in 1 meter and cut back on the nutes like the previous posts say. I usually slowly wet the soil before feeding and let about 10-20% runout, tilt and drain. Good luck.

 

[smokeetreatz]

A couple days you should start to see signs of healthy growth. If you follow PBP instructions and feed ever watering, you will kill your plants or at the least ruin your genetics for the future. When using PBP i use 1/2 to 1/4 of instructed schedule, seems that it has high salts and very little micro and secondary, i suppliment with all purpose micro like EJ microblast, i run sunshine mix, perlite and bountea alaskan humic soil, very light and airy. But you have more than enough micro/sec in your marine c. If you tend to hit them hard, alternate ever other or third watering with food. Sounds like you soil is probably very dense, try adding 1/2 promix to the marine mix need run. Try not to create dry spots in the bottom of the root zone, its best to saturate the roots, a little run is not bad. thru out flowering 2 to 3 flushings per cycle will greatly help reduce salts/overfert and improve taste and yeilds significantly. When in doubt, flush, you do not have to use 3x the water, unless you are serious dire straights. Compost tea is the missing link in first quality, it buffers food when mixed, amazing at fixing def with foliar applications, eats powdery mildew when foliar sprayed. Ganja is like good reggae, less is more.