r/CocoGrows

I'm growing for the first time, using coco and perlite 70/30, canna A & B for nutrients and cal-mag, they are in 3.9 gallon autopots, but the system is not on yet.

My plants are about 20 days old and seem to be doing quite well, at least they don't seem unhappy and the growth seems rapid.

However I've just begun checking run-off EC and I've noticed it is Extremely high. At about 4200.

My input EC is around 1300.

As I understand it, it should be within 300 or so. So something is wrong.

Am I watering too little and infrequently? I had been doing 500 ML twice a day. Which seemed like enough because the media didn't seem dry and the plants seemed happy.

To correct this, because of the extreme discrepancy the suggestion appears to be to flush approximately 12-16 gallons of low EC feed water through each pot? Is this true? I'd really rather not do that and I'm tempted to just let it ride or start over.

Hi yall! I’ve grown a few times in the past in soil, but this is my first time in coco. So far, things are growing pretty well. I’m following the direction of Coco for Cannabis, and I’m on the second week (Early Veg) section of their seedling feed chart using Gen Hydro ferts (~600 EC that’s increasing gradually and ~6.0 pH).

Only issue seems to be this mild white discoloration on the young leaves. Of my ten plants, on TWO seem to have it, and I’ve been treating them all the same, so it’s a bit strange.

Any ideas what this could be or if it’s even an issue? please don’t say its a pest or I will cry :)

Thanks!

PS: foam elevators will be swapped out for something more sturdy, this is just temporary to allow for enough height to reach the condensate pump. Also—large plant was started about 1 week prior to the smaller ones, hence the size.

12 weeks of flower

Hi guys.

4 Jehovas Witness going in a 5x5.

1000W light on 25%

2.2L autopots (not turned on yet) 65/35 Canna coco/perlite.

Coco pre soaked to 5.5 ph (may have ended up around 5.7 or so) with small amount of Canna nutes and calmag.

Tent has been reasonably steady at 78 degrees the whole time.

Struggling with humidity which is fluctuating quite a lot.

I wet the tent sides and have multiple soaked towels on the floor and over my intake duct from outside. Have ordered a humidifer.

Goes from around 50% up to 75% then drops back down as I'm out of the house.

Started off with humidity domes in the first week and took them off as the plants reached the edges.

3 of my 4 look really weird.

Has anyone had this issue? They are 2 weeks and 2 days old.

Thanks in advance for any help.

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WTF? Coco pH keeps CLIMBING despite 5.0 pH flushes. I’m about to lose it.

I’m in early flower with two autos (SLAMberry x Orange Portal, and an S.B.C.H x Dreamcast both by SpeedRun seeds)in cloth pots with coco, and I am stuck in a groundhog day type scenario and am starting to lose confidence. More so I just feel really bad that they're suffering.

I’ve been feeding both:

8mL/gal Fox Farm Bush Doctor Cal-Mag

4mL/gal Humboldts Secret Part A (4-0-1)

4mL/gal Humboldts Secret Part B (1-4-2)

pH'd down to 5.7 - 5.8 normally.

The Issue:

My runoff skyrocketed to I’ve been trying to "Nuclear Purge" this shit for two days. Today, I’ve been pouring in full-strength nutrients adjusted to a pH of 5.0

The runoff is actually getting HIGHER. I just got a 6.82 and a 6.72 after putting gallons of 5.0 through them. How the fuck is the pH going UP when I’m hitting it with straight acid?

This coco WAS buffered before the pots were packed.

Runoff was totally healthy/normal for weeks.

Environment: 79°F, 61% RH (1.32VPD), CO2 580ppm.

PPFD 468

Medium WC is 44%, EC is low (.19).

The plants are starting to yellow at the top (Iron/Lockout) and I’m about to lose this entire medicine run. Both of my herniated discs are absolutely screaming from lugging these gallons and I’m seeing zero progress.

Is the coco breaking down? Is there some kind of insane salt precipitation happening that raises pH? I have never seen a medium fight back this hard before.

Please help.

Day 13 of flower 🙏
Plants have nearly tripled in size since flip and I’m running out of vertical space fast. Running Crop Salt in coco/perlite with autopots.
Currently about 10 inches from my LED with lights already at max height. I do have a large flood tray under the autopots I can remove which should give me an extra 4-6 inches of clearance.

Not looking to supercrop.

any other suggestions to slow the stretch and buy me some time? Stretch should naturally slow around day 18-21 so just need to survive the next week! 😅

I’ve struggled with herms to varying degrees past couple runs. I’ve tried to correct my mistakes and have been feeling good about this run. I started freaking out today and fingerfucking my plants. I have want to say I’m just being crazy. Any input appreciated

Ladies got cleaned up and done stretching. Starting to put on some trichs. Middle of wk. 4 flower