Newbie Coco grow fail - please help!

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PK1

PK1

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to be honest with you i use the free version of the app and i just care to know where the numbers are at, cuz these things can't be fully accurate but as long as i have a number to look at and know where the hight of the lights are, then i would be fine.
 
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MrFatGangster

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Just use the website i posted punch in your lux
I am and also found on the site the reverse of this so I found what the lux should be at with these burple lights. I was in the 10000’s when you explained that the purple is interpreted differently and that was equivalent to around 900ppfd. So now I need to be in the 1000-2000’s with this purple light until my actual full spectrum light arrives.
 
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MrFatGangster

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Here’s the older ones right after their 5.7-5.8 flush. I’m preparing 2 gallons each for the youngins unless anyone thinks that’s too much? The older ones went from about 350ppm to less than 10ppm after the flush. Runoff ph from about 6.9 down to 6.5 but I hear that’s tough to follow. I flushed so much because I was trying to achieve the same runoff ph that was going in but called it quits after 2 gallons each. The ppm dropped way sooner than even a gallon through..

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Here’s some pictures of them 24 hours after their flush. You gets ones are up for flush right now.

Their coco feels like a moist sponge right now, I would’ve swore it would’ve stayed wet for at least 2 days but I was wrong.

Should I flush again or simply water with 1/2 dose nutrients?
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The crustier lower leaves were about 20% less crispy yesterday so I’m wondering if all that water affected it negatively or if the energy that was trying to keep that leave alive was sent to roots for water absorption.

Doesn’t some of the leaves took to have nitrogen toxicity? Given their clawing and deep shiny green.
 
PK1

PK1

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do you still have the bag that you took that coco from? 2 gallons of water between four plants means half gallon each. Thats not enough to adjust ph.
 
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MrFatGangster

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do you still have the bag that you took that coco from? how big are the drain holes in the plastic puts?
There’s about 45 1/8” holes poked all throughout the bottom portion and underneath of these cheap plastic cups.
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These are some unopened bricks I’m going to wash and double buffer correctly on the next seeds I started germinating. I bought a whole box of these bricks because they were like $3 a pop at Home Depot.
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I still have some coco in a 5gal fabric pot from when I first washed. Pretty dry but not in condensed brick form lol.
 
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MrFatGangster

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48 hours after flushing at 5.7-5.8 ph the roots are looking more plentiful, however they have a long ways to go to be considered pretty good. The coco was like a moist sponge when poking my finger in so I watered today with low dose nutrients and will see how that goes. I did have about 50% runoff where I hear it should be about 20%-30% runoff, but I’m sure I’ll dial that in. The ppm going in was about 300ppm and the runoff was down to 150ppm so it’s taking it in.

You can see the calcium deficiency on the newer leaves already so that’s why I went with low dose nutrients with cal mag. I’ll continue to feed either when the coco is feeling like a moist sponge or just another 24 hours to prevent salt build up.

You can really see how decrepit the lowest leaves are.
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Deadstill

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48 hours after flushing at 5.7-5.8 ph the roots are looking more plentiful, however they have a long ways to go to be considered pretty good. The coco was like a moist sponge when poking my finger in so I watered today with low dose nutrients and will see how that goes. I did have about 50% runoff where I hear it should be about 20%-30% runoff, but I’m sure I’ll dial that in. The ppm going in was about 300ppm and the runoff was down to 150ppm so it’s taking it in.

You can see the calcium deficiency on the newer leaves already so that’s why I went with low dose nutrients with cal mag. I’ll continue to feed either when the coco is feeling like a moist sponge or just another 24 hours to prevent salt build up.

You can really see how decrepit the lowest leaves are. View attachment 1276964 View attachment 1276965
Give it some time to recover and take it easy on the cal-mag. Personally I only give cal-mag every other watering and that does not include feeding times which I also don't use cal-mag.

Let's see how these look in another 2 or 3 days.
 
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MrFatGangster

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Give it some time to recover and take it easy on the cal-mag. Personally I only give cal-mag every other watering and that does not include feeding times which I also don't use cal-mag.

Let's see how these look in another 2 or 3 days.
Oh okay thanks for the advice Deadstill!

So in the meantime I should use only water or every other watering add nutrients without cal mag for a few days and then see what it needs?
 
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MrFatGangster

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Here is another 24 hour update. They’re finally to the point of taking a watering once daily now.

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Their roots are really starting to explore the coco. Ranging from thin hairs to 2mm thick. (Prior to the flush the roots were mostly hairline minus the tap)

Still showing calcium deficiency but these ladies have been fighting against the odds since day one.

I’m hoping the new growth is fine only time will tell with this balancing calmag act.

Thank you everyone who chimed in. There were some real useful charts that are now saved to my phone lol.
 
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MrFatGangster

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For anyone who has similar looking plants and feels hopelessly lost, it was a matter of getting them transplanted into CHARGED coco (soaked in CalMag+ ph6.2+ 2x8hours) and using the correct amount of CalMag+ in my daily watering. I switched to the H3ad formula (6ml Micro & 9ml Bloom) it also calls for a pinch of epsom salt to boost the Mag HOWEVER I found for these plants they needed 3ml of CalMag in conjunction to the 6ml9ml/gal ratio. So my solution is 3ml CalMag 6ml Micro and 9ml Bloom/gal of RO water ph5.8. My ppm IN hovers around 650-700ppm and the drainage OUT hovers around 500-600ppm. A couple weeks into flower the older ones needed to back off the Micro down to 4ml because I was seeing N TOX with the clawing and tip burns. So the older ones in flower are 3ml CalMag 4ml Micro and 9ml Bloom/gal ph5.8. The clawing has gone away but the tips still have evidence however I believe a burn won’t heal in leaf tips. I know how impossibly hard it is to find out what is going on and thanks again to everyone who helped and guided me to the right charts.
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