The Grow Awards 2026 🏆

First Time in Coco... Send Help

11

3

12

3d ago

x3Barney's Farm

Royal Queen Seeds

VEG

SF-G3000 Light Emitting Diodes/300W

FLO

SF-G3000 Light Emitting Diodes/300W

Tent

Grow Tent 3x3x6 (90cm x 90cm x 180cm)

Contr

ITC-308 Temperature Controller

Contr

IHC-200 Digital Humidity Controller

Coco Professional Plus

Indoor

Room Type

11 liters

Pot Size

0.3 liters

Watering

Start at 1 Week

First Time in Coco... Send Help. Week 0

First Time in Coco... Send Help. Week 0

First Time in Coco... Send Help. Week 0

First Time in Coco... Send Help. Week 0

1/4

PPFDaddy Week 0: here we go again. First run ever in coco and I'm both hyped and slightly stressed. Everyone keeps saying coco makes autos go full potential mode thanks to better root oxygen and faster nutrient uptake, so we'll see if it's true or if I end up crawling back to soil with my tail between my legs. Germination: 3/4 Runtz popped just fine, the smallest seed decided it didn't feel like joining the party. I replaced it with a Hyperion F1 from RQS that I still had around, so now it's 3x Runtz plus 1x Hyperion in the same run. Hopefully they behave and don't turn this into chaos. Wish me luck and feel free to drop advice.

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Used method

Rockwool Cube

Germination Method

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

First Time in Coco... Send Help. Week 1

1/19

5 cm

Height

20 hrs

Light Schedule

23 °C

Day Air Temp

5.8

pH

300 PPM

TDS

78 %

Air Humidity

22 °C

Solution Temp

22 °C

Substrate Temp

23 °C

Night Air Temp

11 liters

Pot Size

0.3 liters

Watering Volume

PPFDaddy Week 1 in coco is done! Started the seedlings under domes for the first couple of days in the bigger tent with the older girls, just to keep light intensity soft enough for that early, fragile stage. Once they opened up, I moved them into their dedicated tent. I've been watering once a day with about 300ml at ~0.6 EC and pH 5.8. Parameters look on point for this stage, but the first issues already popped up-early chlorosis on the seedlings that sprouted first. Not sure why, since EC and pH have been stable. I suspect the tap water here is pretty hard and watering only once a day lets pH drift back up toward its natural 7.5-7.8 over time. Starting Week 2 I'll water at least twice a day to keep pH more stable and avoid swings. Added a SwitchBot for VPD/temps/humidity logging-super useful to see how things fluctuate through the day. Beginner in coco here, so if anyone has tips, I'd appreciate them. Wish me luck!

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drakkon commentedweek 13d ago

Good luck! Sometime soon I will also try coco coir 🥥. If it goes well, I bet you’ll like the Hyperion. There’s another Hyperion diary here with one in hydro that is crazy huge. I love other F1s from RQS like Medusa and Titan, and I just sowed a Hyperion in Happy Frog myself, in a 1L air pot, for future transplanting. When it’s about a week old I’ll probably start a diary.

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PPFDaddy commented2d ago

@drakkon, Thanks bro. I was hyped about the RQS F1s too because everyone talked them up, but my first run wasn't great. I tried Titan, Medusa and Hyperion in soil and they stayed pretty small. Probably my fault though because I used a heavy mix with barely any perlite, so the roots never took off. Even so, once they flowered the buds were crazy. Terps, flavor, and the actual punch were way better than I expected, so the genetics are solid. I just didn't get the structure I wanted in soil, so I didn't try them again there. Now with coco things look different. From day one they've been growing faster than anything I've ever run in soil. I had a minor CalMag issue at the start, corrected it fast, and they bounced back right away. This is why I'm already liking coco: if something goes off with pH, EC or salt buildup, it's way easier to reset and keep everything on track. If you start that coco diary, tag me or drop the link. I'll follow along for sure💚🍀

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drakkon commented2d ago

Will do 👍🏼. My experience with autos somewhat mirrors yours, except my first Medusa in soil (with 1 transplant from 1L to 9L) was a joy start to finish — I think I got spoiled.

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