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I've only ever done one outdoor grow before, and one indoor grow that I aborted because four out of five of the plants turned out to be male :classic_sad: (I used the remaining female for cloning).

My indoor grow area is an unused shower that I've lined with panda film. As I'm only starting out now properly I don't have much in the way of equipment so I'm just seeing how far I can get with what I have. I did however get a bestva 1000W from @trichomechaser over the weekend, which is quite an upgrade from the CFL monstrosity that I was using for the previous failed grow. I've kept two CFLs for the edges, because... why not?

2019-05-21-bestva.png.9901e9799d1a094a1c05d23db7931f48.png

 

Space inside is not bad  2019-05-21-shower2.png.8778ce48c0901e963e3aa9ca16c7b888.png     2019-05-21-shower3.png.54f0e035dfd039f0a3d03a09e97c6a0d.png    (2nd photo has my clones hardening off for a couple of hours atm)

 

Air flow is *very* DIY, three high speed PC fans in a pipe made from coke bottles (lol). 2019-05-21-fan.png.82de42372c3a5d73d667c7e53090d980.png

 

 2019-05-21-dht11.png.0973f6687d72bec5c9872b48c1e21246.png

Some electronics hobby interest from the past came in useful and I've got two DHT11s monitoring the temperature and humidity in the grow area and my clone box. So I can say that for now my ridiculous fan system is actually keeping the temperature in a reasonable range. I'm pretty sure that by summer it will be a different story but perhaps I'll just grow outside again then.

Here are two of the graphs, one showing temperature and one showing humidity. The large fluctuations are when I opened the grow area (red) and clone box (green) and watered/misted.

 

2019-05-21-graph_t.png.4df229a2d1c42b02d87c99bf82b3dc07.png         2019-05-21-graph_h.png.5fddb44bccf4f1a95bebbad5e14c945d.png

 

My goal in entering the grow off is to learn from what everyone else is doing. It is going to be incredibly useful to be able to compare what I'm trying vs a bunch of grows started at exactly the same time. 

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Very nice indeed I love the diy side of things im my self a make a plan kinda a guy. Look forward to your results and how they compare. Will be cool to see how much alttitude can have a difference in similar grows. Whats yours? Im 1600m

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1 hour ago, Longee said:

Will be cool to see how much alttitude can have a difference in similar grows

About 20m :classic_tongue:

Yeah, doing things DIY is quite entertaining. I guess I'll see how it pays off. Its going to be very interesting comparing results and learning from everyone

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Diary update (2019/05/27 12:00)

Two of the seeds were showing some clear tap root development. So I've planted them all out into jiffies 

2019_05_27_1.png.ad180400876d74f8c69cd3e3df227768.png       2019_05_27_2.png.97fd25c47af956e87e9a20c9c1f1e559.png

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Diary update (2019/05/30)

It's alive!!!

2019_05_30_alive.png.d0c503354c4789d6f21459418951473f.png

 

One seedling just breaking the surface.

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Diary update (2019/06/02)

Only four of the six seeds have germinated, and the 4th one seems to be struggling a bit

2019-06-02_germ.png.6c2e0155c7a50711ca003fba15f95b58.png

 

It seems like everyone else is mostly getting closer to 100% germination, so there is a chance I'm doing something wrong. I'll check the other diaries again to see if I can see what it could be. I'll let the other two seeds in the jiffys and see if they do sprout later on.

 

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are you scuffing your seeds first?

 

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I did not. I've done in with seeds in the past but not this time, good point. I'll do that from now on. Thanks

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one of my beans didnt pop at all, pulled it out the medium, scuffed it & restarted the process, now its out the soil & 2 days behind the other plants & growing perfectly

 

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Diary update (2019/06/05)

2019-06-05_stretch.png.c257349b983f1e13a09060e5b24262ed.png

All four seedlings are growing nicely. A fair stretching though... I've got soil issue that I need to sort out before I can repot

My soil pH is around 8 and it is being pretty stubborn about coming down. I've done a large flush with pH 4 water and no change at all. My other plants and seedlings are all looking terrible now in this soil. So I need to fix this ASAP. I've decided to go the coco & perlite route (e.g. https://cocoforcannabis.com/how-to-prepare-and-buffer-coco-coir/). I like the look of that, its fiddely enough to keep me interested and removes some variables that I don't want to be dealing with. My cal-mag (Calcium Magnesium Nitrate) should arrive today and I can then start the buffering and then repotting process.

 

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6 hours ago, highchome said:

My cal-mag (Calcium Magnesium Nitrate) should arrive today

It did arrive, very fast service from hydroponics.co.za! I only placed the order late last night.

I also ordered a 5kg coco brick but I clearly did not think about how big 5kgs of the stuff would be :classic_tongue:. That is going to last me a while...

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Howzit!

Looking good, love the DIY. Just a note one the DHT11's, I find that they don't keep their accuracy and the DHT22 function much better - they're so cheap its easy to sort out.

The DSB temp probes are also great because they give really good temp readings, and you can have 3, one by the roots, one by the canopy and one above the canopy - and they are waterproof!

 

As for the coco, the hydroponics shop in Claremont has a great organic promix that works really well and is already buffered. My last grow in it gave great results.

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5 hours ago, Trickerst said:

Just a note one the DHT11's, I find that they don't keep their accuracy

Yeah good point, thanks. I had some DHT11s lying around so I just used those. I should definitely upgrade to the DHT22s. I'm pretty sure it will not be long until I'm wanting to automate the watering, so I'll do it then.

 

5 hours ago, Trickerst said:

As for the coco, the hydroponics shop in Claremont has a great organic promix

I actually did order from them for the cal-mag and just got a 5kg brick of compressed coco. I was happy to buffer it myself. I've got a fair amount over after the repotting so I'm sorted for this grow it seems. Waiting for my EC meter to arrive, I'm using a TDS meter until then and hoping it is using the "normal" ppm500 calc (ppm = EC*1000/2). But I'm keeping the nutrients on the low side so I should be safe even if its a bit off for the next few days.

 

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Diary update (2019/06/08)

The roots were growing through the jiffys, so I've repotted into coco/perlite in a small container. I let them stretch way too much, so I still needed the supports. With the next repot I'll bury them deeper.

                 2019-06-08_chk.png.95ce04d1e78664334b3edf1c86b642e8.png

 

I'll be watering twice a day with a weak nutrient solution (hortimix A&B 1ml/L each + low cal-mag dose)

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Diary update (2019/06/13)

Some reasonable growth now and stretching stopped.

 

2019-06-13_0.png

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Looking nice and chunky there @highchome :-rolled they seem to be enjoying that Hortimix.

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Yeah, so far the coco/perlite with the hortimix is looking really promising :yipeeee

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Diary update (2019/06/17)

Repotted into ~4l fabric pots. The seedlings are growing pretty damn fast and still looking healthy. 

2019-06-17_0.png.35c1834e989d1c1ad47003fa7c0cdf48.png

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The leaves on #2 are especially big. Quite different from the few seedlings I've grown before.

 

Repotted in the fabric pots. I'll start hardening off from tomorrow.

2019-06-17_1.png.d6d150e8bc4e8a34d6f71d0406f1ea6a.png

 

 

I've changed to a 18/6 light cycle in the grow room. I was seeing pretty low nighttime temperatures. Keeping the lights on at night helped with the cold, so I've got lights off from 09:00 - 15:00. The room now shares a heater with the cats so the inflow air is warmed a bit.

2019-06-17_3.thumb.png.a64c883e2b2f77fcbae63e3200cd708a.png

 

Pretty stable temperature during the night (red=grow, green=clone), with a dip to ~16C during the day. Before using the heater the temps were getting below 12.

My RH is very high (Cape Town), I'll worry about that another day though.

 

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The steroids are real with this one.

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Diary update (2019/06/23)

I ended up hardening for only about three days. There was no sign of stress or wilting so it seemed enough. They are now under full lights 18/6. I also went from seedling strength ferts (~500 EC) to veg strength (~1200 EC) over three and bit days. That was probably too fast, I think an increase of 90-100 EC per day is what is recommended. However there were no issues so all good

They are only getting hortimix A+B and a weak calmag foliar spray to avoid any calcium/magnesium deficiency. Also it means I'm rinsing off the leaves should any of the ferts splash on them

The grow area is a bit cramped, I've got two seedlings in the clone box, once they are ready I'll move some of the other plants out to be mothers

 

2019_06_23_01.png.c87ca9fcf9c606109c766ec4b39b7847.png

 

The growth has been really good, with much fatter leaves than I was expecting. (E.g. compared to the 17th for instance for #3)

2019_06_23_02.png.750bf550025d1a663a2fea6449b58f46.png <-- now          2019_06_23_03.png.f7d68aca9a8131d519a690ba42fc65a0.png <-- 17th

 

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