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Groff

New DP Desfran in a 6 pot RDWC & 900w LED & Metrop nutes

67 posts in this topic

Hey UK420 !!

Long time no see!

Lets get right to it.

Specs;

Seeds: Dutch Passion’s new Desfran! (photoperiod feminized)
System: Alien Hydroponics Pro - 6x 34 liter pots
Lights: 2x HGL SOL 9 450w (total 900w) actual power draw
Nutes: Metrop
Location: remote, unfortunately I cannot be fully hands on. I can visit once a week more or less…

I relocated to a friend’s loft. He’s never done hydro, but he’ll pick it up just as fast as I did. Here are some setup pics. Yes, that is indeed a dismembered tent for some more efficient light reflection

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Setup was fast and zero leaks. This Pro system is the shnitze!! Really easy to set-up.

On the 10 of September they germed, and were potted on the 15th, when the second true leaves started peeking out. These next pics were taken only 2 days later!! So this is day 7 from sprout.

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Edited by Groff
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1 week later, 25th September … (day 15)

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Here in southern Europe, we had a damn hot September. Ambient temperature in there peaking 30ºC …. The Hailea 150a water-chiller did help, but needed some extra help, so we insulated the pipes and put some reflective sheets over the lids. This absolutely helped the water chiller get down to 19-20ºC.

New system and new nutes… we had a bit of trouble dialing in the system. EC ended up too high and the pH was 6.0. But I decided to see how it went… not cheap dumping out a 250L water system. After a few days, no tip burn, but clear nitrogen toxicity. Notice the dark green and clawing. This was quickly rectified, lowered EC to 0.8 and pH to 5.8

Oh yeah, by the way, root staining is due to bennies. I’m not running sterile.

So here they are, Day 22

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Now this is where it starts getting crazy!! This is just 6 days later! (Day 28)

The gals are true Sativas no doubt. Topped of the two fastest growers to even the canopy, and they didn’t even care less. Today was water change-out.

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Despite lowering EC and lowering pH out of the N rich absorption zone, for some reason the clawing and dark green is not getting better – nor worse… Maybe I'm way to used to small tents and autos? I like seeing the leaves praising up to the light. Maybe too soon to expect improvement?

Despite that, never before have I seen any plant grow this fast! But if you have any suggestion on why the clawing persists, I'm all ears.

If this were my place, I'd be foliar spraying with my super-duper secret mix... but unfortunately I can't.

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Impressively fast growth

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Week 3 flowering

Long time since update! Sorry folk. real life stuff kept me away. Will be able to update more often from now on, right in time for the most interesting part of the adventure

We're at week 3 of bloom. These are definitely the biggest fastest growing plants I've ever seen grow! Nothing stops them. No topping, supercropping, stretching, nothing... even with all this, the canopy is still 1,6m high, and just keeps going!

Still on veg nute schedule as per the Metrop chart, MR1, Amino Root and Calgreen. The rez is pretty damn stable pH wise. EC is dropping gradually due to the massive water intake, the top-up rez does not contain food. Pretty concentrated stuff, but a pleasure to work with as it doesnt shoot the pH out whack and need much correction when mixing.

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Another supercropping session is in order...

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done!

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surfing the string...

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Healthy healthy plants! Nice lush green. Not very apparent since these pics are white-balanced due to the LED pink light. Loads of tops in the making. Temperature has dropped significantly this past week, need to get heater in there ASAP, ambient temps = 19-20ºC

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Stems are so thick already, wow! This one was the first to be topped

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And a final "aerial" view

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Still not much of a smell, can't wait for it ;)

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Impressively fast growth

Indeed. They are super sativas no doubt!

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Its good to see a diary using this system, (think its the first)

Looks proper quality, and well put together..

Your room is spotless :D

All the best with those big ladies.

:yinyang:

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Its good to see a diary using this system, (think its the first)

Looks proper quality, and well put together..

Your room is spotless :D

All the best with those big ladies.

:yinyang:

thanks superx ! Yes, the Alien Pro system is kind of new, and its absolutely crazy good! Love at first sight

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I notice you have the pipework covered, is this to stop light / heat getting threw?

Atb

:yinyang:

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I notice you have the pipework covered, is this to stop light / heat getting threw?

Atb

:yinyang:

Just heat, they're pitch black pipes, so no light could get through... makes the water chiller work less and saves energy :oldtoker:

Edited by Groff
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If it is then how hot must the pipework get if using an Hps? And the OP mentioned the chiller was struggling. I like the system but stuff like this puts me off.

@Groff Plants aren't hanging about are they! :yep:

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It's a jungle in there Groff, all the best :)

Edited by vapes420
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If it is then how hot must the pipework get if using an Hps? And the OP mentioned the chiller was struggling. I like the system but stuff like this puts me off.

@Groff Plants aren't hanging about are they! :yep:

The problem is not so much the lights, but the ambient temperature. I live in Southern Europe, and we had a serious indian summer. Mid October we were peaking 26ºC outside! That is the main reason I went all LED, temp management. Also, I'm a bit of a parametric nerd, and it bugs me more not to do it, than the very slight difference it actually makes. Once the canopy gets big, it shade the buckets and its not an issue.

So yeah, the chiller struggled a bit when the room temperature was 30ºC, but not anymore. It basically stopped working now lol... need to get an oil heater in there.

I get 'ya... this system is not for everyone. For me its about performance and being able to go away for weeks without needing to tend to them :clown:

It's a jungle in there Groff, all the best :)

Its going to get "worse", they're still growing! hehe... thanks mate :v:

Edited by Groff
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Ahh I forgot you had mentioned southern Europe. :doh:. just a bit warmer there than here. lol

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the plants are bit stretchy for my liking but none of the less looking good :yep: i really like the system... thinking about investing in one my self hmm :unsure:

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