New grow - week 3 - how’s it looking to you?

Tuckatan

Tuckatan

Well-Known Member
Hi all. Just Looking for opinions on my grow. I thought it was looking slightly pale/yellow.

Broke ground on 24/12 (3 weeks today)

In Cana coco pro plus. No perlite though when I pot on it will be with perlite.

Fabric Rhizopot.

Temps lights on 21 - 26c
Temps lights off 16 -21c
RH usually around 60% highs of 85% lows of 40% (depending on when I use humidifier)

250w hps
Intake and exhaust fans.
Following feed schedule as shown in pic.

Using GH micro/gro/bloom
Cal mag
Rain water

PH down to around 5.5 - 5.8
PH of runoff 6.4
PPM of feed 117
PPM runoff 279

What do you think?
 

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Your plant is starving. They look like they're a week old, not three. I don't know the ppm's because I don't own a meter, but you should be feeding 1/2 tsp of each grow/micro/bloom at this stage and you should have started at 1/4 tsp. the day it sprouted. Perlite is needed badly. Good luck.
 
MickFoster said:
Your plant is starving. They look like they're a week old, not three. I don't know the ppm's because I don't own a meter, but you should be feeding 1/2 tsp of each grow/micro/bloom at this stage and you should have started at 1/4 tsp. the day it sprouted. Perlite is needed badly. Good luck.
Click to expand...
Literally feeding exactly as it says on that feed schedule. On 1/2 tsp. Started on a 1/4 of micro/gro/bloom and 1 tsp calmag per gallon. Now on half.
 
Tuckatan said:
Literally feeding exactly as it says on that feed schedule. On 1/2 tsp. Started on a 1/4 of micro/gro/bloom and 1 tsp calmag per gallon. Now on half.
Click to expand...
How often are you feeding? Do you use plain water? The coco looks dry - it should never be dry.
 
I use rain water to feed and probably about once every 3 days, or once the pot is light to pick up. It takes around a 1 - 1.5 litre, get some run off, then leave again until the pot feels light again. Haven’t ever fed it just straight water, always with nutes at the levels shown in the schedule.
 
Tuckatan said:
I use rain water to feed and probably about once every 3 days, or once the pot is light to pick up. It takes around a 1 - 1.5 litre, get some run off, then leave again until the pot feels light again.
Click to expand...
When you say you use rain water - do you use plain rain water with no nutes? Coco should never ever get dry - it's not soil - you don't wait until the pot is light before you water again. You should be feeding daily to run off and never plain water or you will mess up the cation exchange capacity.
 
No never used plain water, have been using nutes from very first water. I add nutes to the rain water and water when it’s dry.

I should be watering to run off every day? I had no idea. As I understood it needs to dry out to get a bit of oxygen and not suffocate?
 
Tuckatan said:
No never used plain water, have been using nutes from very first water. I add nutes to the rain water and water when it’s dry.

I should be watering to run off every day? I had no idea. As I understood it needs to dry out to get a bit of oxygen and not suffocate?
Click to expand...
Yes you should be feeding to run off every day - it's drain to waste hydroponics not soil. Letting coco dry causes all kinds of problems as you have found out. Even when saturated coco holds 30% oxygen, and even more if perlite is added. I prefer a 70/30 coco/perlite mix for great aeration. The daily feeding refreshes the nutes, pulls in fresh oxygen to the roots, and prevents salt build up. By letting it dry you're causing salt build up. Good luck.
 
Ahh I’m with you.

I will certainly take your words into consideration. I now have perlite so will be adding this to the mix once I move to the next pot.

I’ll start watering more frequently now and hopefully will see some improvements.

Thanks for the insight bud.
 
Tuckatan said:
Ahh I’m with you.

I will certainly take your words into consideration. I now have perlite so will be adding this to the mix once I move to the next pot.

I’ll start watering more frequently now and hopefully will see some improvements.

Thanks for the insight bud.
Click to expand...
No problem. I assure you that you will see an improvement. Good luck.
 
As much as it pains me to expose what an utter bell end I am. Here it is...

My replacement syringes arrived for measuring nutes, as measurements wearing off my current syringe.At this moment, I knew something was up. Why are these so much bigger? Well, it turns out, the foreign syringe I was using was measuring in 0.1ml not 1ml.

Yes, I do feel like a fucking moron lol!:oops::roll:
 
Tuckatan said:
As much as it pains me to expose what an utter bell end I am. Here it is...

My replacement syringes arrived for measuring nutes, as measurements wearing off my current syringe.At this moment, I knew something was up. Why are these so much bigger? Well, it turns out, the foreign syringe I was using was measuring in 0.1ml not 1ml.

Yes, I do feel like a fucking moron lol!:oops::roll:
Click to expand...
So you've been starving your plants. I think I said that in post #2. I'm glad you found the problem and I hope things go smooth from here. Good luck. :)
 
MickFoster said:
So you've been starving your plants. I think I said that in post #2. I'm glad you found the problem and I hope things go smooth from here. Good luck. :)
Click to expand...

Exactly. Thought I’d better come back and let you know you were absolutely correct! Haha.

Thanks bro! Smooth sailing from here hopefully! :lol:
 
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