Mephisto Genetics Haunts Sour Crack-a-Lackin 1st HPS Grow

[Haunts]

Greetings to all, about half through my previous grow i decided to upgrade from CFL growing to HPS and i was amazed at the difference it made in the final buds, they were like rocks of shiny green heaven. Gone are the days of my fluffy nuggets. I had to do a few tweaks to the cabinet due to the temperatures, i installed some larger PC fans which worked perfectly and surprisingly enough were quieter than the 80mm ones, so happy days.
Anyway i'm looking forward to this grow after reading all the good reviews about the sour crack strain and using my new hps setup.

My grow info:

Cabinet: 45cm(18in)x45cm(18in)x80cm(31in)
Lighting: 150w Sunmaster Duel Spec HPS & Digi ballast
Light Schedule: 20/4

Ventilation: 2x120mm PC Fans for extraction and 2x80mm for movement
Temps: Lights on 24C and 45%RH - Lights off 22C and 50%RH

Pots: 4 Litre
Soil: Plant Magic Soil Supreme
Nutrients: BioBizz Fish Mix & Old Timers Bloom

Seeds: 2 x Mephisto Sour Crack

The seeds popped up from the soil on 16/8/15 so this first post is going to be pretty picture heavy but after i'll keep the updates to every week or if anything crops up in between (for example with all my previous grows i've had this problem crop up https://www.autoflower.org/index.php?threads/every-grow-i-get-this-problem.46625/) it won't surprise me if it happens again but i'm gonna try upping the cal/mag this time

So here's my garden chambers

Day 4

I found an excellent use for my Mrs selfie stick, the 80mm fan fits perfectly

Day 8

Day 16 - still the Mrs has no idea where her selfie stick is

Hmm, i think i'll start taking pics with the plants out of the cabinet from now on or at least with out the hps on.

Also i've always fancied trying my hand at a bit of lst'ing would now be a good time to start or not worth it with this strain because i know its a short one?

 

[mephisto]

Nice start, neat and clean setup, I like it.
Are you going to transplant or keep in the 4L?
Cheers!

 

[medic grower]

dat Selfie Stick came to a real good use....

 

[Haunts]

Nice start, neat and clean setup, I like it.
Are you going to transplant or keep in the 4L?
Cheers!

I'll be keeping them in the 4L pots, i dont think theres enough room to go bigger. I am tempted try a bit of LST, i've not done it before but if it works out i'll perhaps get some bigger pots for my next grow.

 

[ballzbeard]

Looks like you are off to a great start, Haunts. Will be following and wishing you luck along the way.

 

[Haunts]

The girls had there first feed this evening 2ml Old Timers Grow in 1500ml of water each, i've been putting off feeding for a couple of days because me and the family are going away for 5 days. I also gave them a bit of leaf tucking. One of the girls is looking a bit sad and smaller than the other and the other has developed some patches on one of its leaves, pictures below. Does anyone know what it might be?

Day 21

Here's leaf with the problem, i can't see it anywhere else on the plant though?

 

[Haunts]

So I've just got back from holiday and the girls are ready for a feeding. My question is, they will be 4 weeks on sunday, should I feed them grow or bloom, they are starting to flower but they've only had one feed so far of grow which was 5 days ago?

 

[Margahooja]

Myself, I stay on grow nutrients until I see the vertical growth stop, which for me has been around days 35-40.

 

[Haunts]

Some better pics of the girls out of the box, i have posted these in the sick plant forum because i've noticed some leaf edges cupping on one the plants and the other has some clawing going on.

 

[HubbaBubba]

Interesting photos.
I am puzzled by the Yellowing lower leaves and the Clawing upper leaves. I don't know what it means.

Your grow room temp of 24C seems safe. I wonder if the infrared radiation from your HPS is heating the leaves, just making a wild guess while we wait for the experts.