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Old 01-08-2019, 07:11 PM #1
bizarro517
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Twisted Leaves on new growth, need help

Hey all, newer grower here, having some issues with the plants. the tacoing seems to have started once I changed them from florescent to metal halide. first thought was heat or light intensity, so temps had never gone above 80, but the MH was rather close at first. I am in a sealer room running CO2. I am using foxfarm Grow Big, on their first watering in 5 gal pots I did 3 teaspoons per gallon, then about 10 days later they got 2 teaspoons a gallon (which was on 12/18/18). After the first big feed, the leaves were exhibiting twisting/taco-ing and sort of blistering (which i thought was light intensity for a bit) since then ive been giving them regular h2o, which i used ph test kit to bring the ph down a bit, my normal h2o seems to be right around ph7. They were dry this morning so they just received 2 gallons of straight RO water (first time), hence the droopy leaves in the pictures. As you can see, new growth is rather twisty and tacoish.





Also, this is my 4th grow in this room, others have turned out fine not PHing the water and using the same type room setup. all runs have been a different strain. the most recent run, last winter, apparently we had broad mites. since then ive had no plant material in the building for 8 months, disinfected, bleached and pesticides on everything and obviously clean everything a few more times with bleach. also once i started these from seed, a few weeks in, i used a few cycles of the N. Californicus predatory mites that are supposed to seek broads and kill them. I see no visible signs of eggs on leaves under a 150x scope, and the plants arent acting the same as i remember with broads.


I'd love some input from you guys here, much thanks and appreciation!





How long has this problem been going on? 4 weeks
What STRAIN are you growing? Ethos genetics Chem OG
What was the establishing technique? (seed or clone?) seed
What is the age of your plants? 8 weeks
How long have they been in the soil mixture they are in now?
same type (pro mix mx bx), just upped into ten gal on january 2
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? 2-3 feet
What PHASE (seedling, vegetative or flower) are the plants in? vegetative
What Technique are you using? (SOG, SCROG etc)
What size pots are you using? (Include how many subjects to pot)
10 gallon
What substrate/medium are you using? What brand of soil mixture are you using?(percentage of perlite, vermiculite...etc?) promix mx bx
What brand Nutrient's are you using? foxfarm
How much of each nutrient are you using with how much water? *Knowing the brand is very helpful* 3 teaspoon per gallon
How often are you feeding? currently not feeding for 2 weeks
If flowering, when did you switch over to using Bloom nutrients?
What order are you mixing your nutrients? (example: veg nutes 1st, bloom 2nd ect)
What is the TDS/EC/PPM of your nutrients used?
no meter
What is the pH of the "RUN-OFF"? no meter
How often are you testing pH/ppm/EC/TDS? no meter
What method of pH test was administered? Using Strips? pH pen?
How often are you watering?
when pots are light
When was your last feeding and how often are you feeding? 12/18
What size bulb are you using? 1000 watt MH at first, past few days are two HPS, adjustable ballast, using 75%
How old is your bulbs? 2 runs
What is the distance to the canopy? 2 feet
What is your RH Factor? (Relative Humidity) 58-70%
What is the canopy temperature? max 82, min 72 at night
What is the Day/Night Temp? (Include fluctuation range) 82-72 Day/night
What is the current Air Flow? (cfm etc.) sealed room with CO2
Tell us about your ventilation, intake exhaust and when its running and not running ? one fan for lights pulls cold air in and pushes the warm air out of the room, none of this air is for the room, just to cool lights. 6" fan with scrubber circulating in room. have an auxiliary 4" fan hooked to a thermostat to pull air out incase of overheat. two fans mounted on wall blowing about 2 feet above canopy.
Is the fan blowing directly at plants? no over top
Is the grow substrate constantly wet or moist? dries slowly
Is your water HARD or SOFT?
What water are you using? Reverse Osmosis (RO)? Tap? Bottled? Well water? Distilled? Mineral Water?
as of 1/8 using RO water
If using tap water, what is the ppm/EC/TDS of the water right out of the tap?(Only if you have a tds pen) no meter
If using RO,Distilled,mineral water, what is the ppm/EC/TDS without any additives?(Only if you have a tds pen) no meter
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? no
Are plant's infected with pest's? under 150x I see nothing
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Old 01-08-2019, 08:15 PM #2
eebbnflow
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10 gallon pot ? That’s huge imo unless you have a 5 footer ,did you have a white root bound root ball before transplanting ? Is it just one plant ?
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Old 01-08-2019, 08:17 PM #3
eebbnflow
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I would invest in a ph meter if you can , start there . Second invest in a tds meter . Both are needed here if you are serious
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Old 01-08-2019, 08:19 PM #4
f-e
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Looks like you're watering them when they're already over-watered

edit: actually, while I can see some heavy drop and recent watering, I also see they have been going dry. Is it only today you went to RO water?
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Old 01-08-2019, 08:23 PM #5
bizarro517
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They weren't totally rootbound when I transplanted, but they definitely had a rootball covering the entire bottom and at least half way up of the 5gal pot. by the time they're actually finished that whole 10 gallon pot will be almost rootbound, thats how all my other runs have ended.
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Old 01-08-2019, 08:27 PM #6
bizarro517
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I feel like i did overwater them a few weeks ago, and probably overfed also, but these pics were 6 days after they went into the 10 gallon pots and i only gave them a gallon of straight h2o 6 days ago. they were really dry this morning. I have 6 chem OG plants, all exhibiting the same symptoms. The plant in the pics is one plant, and it is the one that looks the worst in my opinion.
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Old 01-08-2019, 08:43 PM #7
bizarro517
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yes, today 1/8 was the first time using RO water.
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Old 01-08-2019, 08:43 PM #8
f-e
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I have done a total turn around on this one. I think your having calcium issues from a lack of watering. The small leaves, the irregular shape, canoe shape, it can all be calcium related. Calcium is just washed along within a plant, so while your humidity is good, I look to the roots. After watering, your mix is still contracted away from the sides of the pot. There is a crack there. Also dry areas on the surface. And you saw a huge foliage drop as the RO went straight through the dry open medium to the roots. That RO drop isn't something I have seen in soil before, but is quite possible if it's dry enough to let the water just run off.


It's all I got anyway.. weigh them, and weigh that much volume of compost, straight from the bag. The stuff in the bag is generally as dry as you ever want to go.
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Old 01-08-2019, 08:50 PM #9
bizarro517
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The droop of the leaves started yesterday as they began to dry out since id had the two lights going and the temp up about 4 degrees for the previous two days. My RO machine showed up yesterday and it took me like 15 solid hours to gather all the water, so i knew this plant needed water, but i wanted it to be RO water. before that it was one MH and my temps were like 72 day time and 64 at night. lights are 18/6 for now, dont want to flip until this is fixed or on its way to fixed. but as of past two days its been 82/72 day/night, and they seemed to like that as i feel they began to transpire easier, the humidity climbed without the humidifier on.
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Old 01-10-2019, 01:44 AM #10
bizarro517
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As of a day and a half of the RO water now i'm seeing a more prominent calcium issue? Based on what f-e said and Checking through the sick plants guide that's what i can devise the rust spots on the leaves are. some of the leaf twist seems to have traded itself for the droop now. any ideas to start me in the right direction?

I'm going to be much more sensitive to water times and weights of the pots going forward obviously. but now i've just gave myself this new issue, presumable because they weren't fed yesterday.
thanks again.
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