Dutch Passion DP Ultimates first

[WhiteLight]

Hello everyone. This is my first post here. Also this is my first grow. I've been planning and spending since November and finally i got my setup running the last 2 weeks. I have 3 seedlings, 2 of them are 12 days old and the other one is 9 days old. I have 30 litre pots which i filled in with biobizz light mix and added 5 tbsp of Epsoma Lime plus 30% perlite. I run them under 400w metal halide which is air cooled and its 15 inches away from the canopy. I have intake and excaust fan both at 341 CFM and currently i use only excaust fan running at about 30% power. My tent is in a big room so there is fresh air coming in from the venting of the tent. My tent is 1.5 x 1.5 x 2 meters. I watered them plain bubbled water with ec 0.5 and ph'ed down to 6.1 and the last time i watered them it was 2 days ago and i provided them AN nutrients with 0.5ml/L g/m/b and 1.5ml/L Voodo juice, Piranha and B-52 ph'ed down to 6.1. My temps are 23 - 25 C and my humidity levels 55 - 60%.

I had the feeling from the beginning that my leaves had a pale green look and as the days continue i am afraid that they have something going on I hope is just a CalMag deficiency! Pictures under can be more helpfull.

 

[Citadel]

With Light Mix Soil you should be feeding small amounts of grow or (nitrogen) in the first week its probably eating itself.

30l pots are probably overkill for autos.

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[WhiteLight]

With Light Mix Soil you should be feeding small amounts of grow or (nitrogen) in the first week its probably eating itself.

30l pots are probably overkill for autos.

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So the garden limestone i added (about 5 tbsp in 30 litres consist of 70% soil and 30% perlite) does not provide nitrogen?
The first 10 days they received water with EC 0.5 and ph down 6.0 (botanicare 0-15-0). *You think the ph is very low?

My air pots arrived 2 days ago. They are 5 gallon. I used the 30 litre plastic pots because there was a huge delay from an ebay seller with air pots.
Can i transplant them there now?

 

[Citadel]

So the garden limestone i added (about 5 tbsp in 30 litres consist of 70% soil and 30% perlite) does not provide nitrogen?
The first 10 days they received water with EC 0.5 and ph down 6.0 (botanicare 0-15-0). *You think ilthe ph is very low?

My air pots arrived 2 days ago. They are 5 gallon. I used the 30 litre plastic pots because there was a huge delay from an ebay seller with air pots.
Can i transplant them there now?

I'm no veteran grower but when I first started I'd put my autos in 2l pots for the first week or two then transplant to 15ls never had any stunting or transplant shock Royal Queen Seeds has a decent guide for transplanting autos.

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[WhiteLight]

I'm no veteran grower but when I first started I'd put my autos in 2l pots for the first week or two then transplant to 15ls never had any stunting or transplant shock Royal Queen Seeds has a decent guide for transplanting autos.

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Transplant from 30litre pot to a 20litre pot i think is in noones guide
Thanks i will take a look.
About the nitrogen? You think my plants are getting too much of it? I didnt unnderstand your first comment well.

 

[Citadel]

Transplant from 30litre pot to a 20litre pot i think is in noones guide
Thanks i will take a look.
About the nitrogen? You think my plants are getting too much of it? I didnt unnderstand your first comment well.

I would say so dude are you using BioBizz nutes to accompany the soil?

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[WhiteLight]

I would say so dude are you using BioBizz nutes to accompany the soil?

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I gave them their first feed of nutes 3 days ago. The mix was 0.5ml/L micro grow bloom and 1.5ml/L of Voodoo juice, Piranha and B52. All my nutrients are from Advance Nutrients.
Is it wrong that after 3 days of giving them about 0.4L litre each that they didnt dry out yet?

 

[WhiteLight]

Anyone out there can jump in and share some knowledge? I am dying to find out whats happening here. Does some epsom salt and calmag will do the difference?

 

[Citadel]

Anyone out there can jump in and share some knowledge? I am dying to find out whats happening here. Does some epsom salt and calmag will do the difference?

I didn't mean too much nitrogen I read your earlier post wrong. I'd say that's too weak a mix of Nitrogen. I'm not familiar with advance nutrients but the general feed schedule I follow is this all be it biobizz not advance. Bottom one is for light mix says no N in week one but I've found adding a small dose helps kick start them.

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[hashead]

Id reckon your ph is a bit low for a soil grow. I usually give plain water @7ph and my runoff comes out @6.5.
Have you been testing your runoff?

Ive found since going organic I need to worry less about the ph because the microbes in the soil help regulate it.