GreenBuds

I'm fairly new to hempy buckets but have one finished grow with it. I have been a soil grower for almost thirty years. My water from the tap is a high 700 and about 8.5 ph. I have been adjusting the ph to about 5.9-6.2 and giving about 3/4 teaspoon of GH MaxiGrow powdered fertilizer at every watering with no problems. I am using 3 parts perlite to 1 part vermiculite in 2 gal buckets. The other day my biggest plant almost 2 feet tall all of a sudden just completely wilted within 24 hours for no apparent reason. I just watered her a day ago so I know it wasn't because she was dry. She also looked green and healthy. She never recovered and dryed out completely. I have never seen a plant die this fast. I also had this problem a couple of months ago with another female. She just dried up in like a couple of days. My plants were transferred from soil to the hempy buckets and have been in the hempys for almost 2 months. They took a little while to get adjusted with the new medium because I switched to 12/12 to sex the plants when they were in soil. I had a tough time keeping them from flowering because I had the lights at 16 on 8 off. They are now under 24 of light and are growing good and green with a lot of new vegetative growth. Except of course the one female that mysteriously died. I'm thinking I'm going to transplant my remaining 2 females in 5 gal buckets with just perlite this weekend to make sure they have plenty of root growth. Could my bad tap water be causing this? I just don't want this to happen with the other two. Thanks.

tripps

Although I've never had it, the only thing I can think of that would kill a single plant like that, that fast, is root rot (pythium). Have you looked at the roots? Should be fairly white, not brown, though I have noticed a little staining in Hempy.

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Third Journal Ebb and Flow

analog

Some observations:

What is the ph and ppm of your water after you add the nutes?

The ppm of your water is close to what some folks have for filtered water with nutes, and you're adding nutes on top of that.

I'd definitely check the ppm and ph of your water after adding nutes.

It sounds like the plants had a lot of stress. I count re-vegging of a large plant, possible soil contamination of hempy on a large scale (ok for a little from what I've seen), fluctuating light periods (3).

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tripps

The fact that it wilted and dried out that fast really leads me to believe the roots couldn't take up water. The speed seems to rule out overnuting, revegging, or fluctuating light. Plus the one out of several plants aspect. Just my , though.

__________________
Slaving away in the marijuana fields.

"The greatest obstacle to discovery is not ignorance-it is the illusion of knowledge"-Daniel Boorstin

"Tell me and I forget, show me and I remember, involve me and I understand." John Gay

Hi! It's me... the girl from the bus...Remember? The last tour? Well...Information is not knowledge. Knowledge is not wisdom. Wisdom is not truth. Truth is not beauty. Beauty is not love. Love is not music. Music is THE BEST...Wisdom is the domain of the Wis (which is extinct).

I laugh all the way to Hell - Modest Mouse

First journal Soil (done like a dinner)
Second journal Hempy (smoking it now)
Third Journal Ebb and Flow

GreenDragon2k

I agree, although it would have to be a very bad case of pythium for it to happen so quickly... Usually you would see signs of yellowing and slow growth weeks before that happens.


Was there any soil left in the hempy medium or did you wash most of it off?

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MJ Maven

Was the other plant that died, a while back, also one of the larger ones?

Putting all nutrient, pest and environment aside .... and just looking at the plants symptoms ... and I know you are already against it ... but it sounds like under watering.

Wilting over 24 hours? Drying out and dying? If you left a large plant ... in any bone dry medium ... with no water for 24 hours ... it will die. With no exterior symptoms of root rot, or over nuting, or even pests ... under watering is really the only answer

I have never grown hempy ... but have read enough to know that it sounds risky (from a water intake point of view) unless you have an automated watering system in place.

Probably going to catch flak for this ... but it's what my gut says

Maven

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GreenDragon2k

this rings true for me as well... and was in fact my first impulse when I read "dying in 24 hours" but I didnt want to say it hehe.

If your RH is low the plant could be consuming water faster than you can keep up with.

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GroweroftheDank

That is really high ph & ppm IMO. Is that well water or city water?
My ppm from tap is ~140ppm @ 8ph. I don't use tap because its so high. Is that 3/4 tsp. per gallon? Why not just collect rainwater? Its only about 10ppm.

Two gallon buckets are way too small IMO, especially for a plant that:
- You transplanted from soil into Hempy. Why? Best to start & finish in same medium.
- You say later that you 'sexed' the plant, then went back to veg for 2 months. They must
have a huge rootball in that small 2 gal bucket.
- Why did you decide not to use a 50/50 mix? With so much perlite, i'd venture that the
medium is dying out after a few hours of watering. What kind of temps are you in?

That 800ppm is probably the problem. Lots of accumulated salts to start with, then getting accumulated even more inside the 2 gal buckets over 2 months. Why not just collect and use rainwater? Its probably ~10ppm and 7ph
I would take clones and sex them, instead of switching the same plant back & forth.

My recommendation is transplant immediately into 5 gal buckets of 50/50 mix, flush the heck out of them after transplant with 20 gals of rainwater ph'd down to 6.0, and use rainwater instead of tap from now on. I'd love to see a picture of the rootball of that plant. Good luck.

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tripps

Stick with the 75% perlite, 25% vermiculite, it's tried and true for many, including myself. Other than that I just don't know.

__________________
Slaving away in the marijuana fields.

"The greatest obstacle to discovery is not ignorance-it is the illusion of knowledge"-Daniel Boorstin

"Tell me and I forget, show me and I remember, involve me and I understand." John Gay

Hi! It's me... the girl from the bus...Remember? The last tour? Well...Information is not knowledge. Knowledge is not wisdom. Wisdom is not truth. Truth is not beauty. Beauty is not love. Love is not music. Music is THE BEST...Wisdom is the domain of the Wis (which is extinct).

I laugh all the way to Hell - Modest Mouse

First journal Soil (done like a dinner)
Second journal Hempy (smoking it now)
Third Journal Ebb and Flow

GreenBuds

Thanks everyone for the suggestions. I ended up transplanting the remaining two girls in 5 gal buckets with almost 80-90% perlite. I noticed that in the medium I had that I may have put too much vermiculite. The medium seemed like it was holding too much water. Maybe the vermiculite is holding too many salts as GroweroftheDank has said. The plant that died felt pretty waterlogged. I didn't really notice any root rot or bad odor so I don't know. The root ball really wasn't that large either, so maybe the plant may not have been taking up the nutes properly. I know my water strait from the tap has a lot of calcium and minerals because you can see it accumulate in the dishwasher. I have used my city tap water in soil for years with no problems but I guess with the hempys it's different. I may have to start using RO water from now on. I know its better to start in hempys instead of soil but for some reason I had a lot of casualties. I found it easier to start with a 50% mix of perlite and peat then transfer them into the hempy mix when they're about 2-3 weeks old.