Rurumo's Mars Hydro FC6500 grow journal

Rurumo

Well-Known Member
Hey Rurumo,

I just got all caught up on both your grow diaries. Thank you so much for the wealth of great information and congratulations on your absolutely gorgeous grows.

I noticed you mentioned bonsai a few times. I Have one bonsai I’ve grown from seed and I’m very fond of her. Have you cloned bonsai? Ive never thought to try to clone mine but now I very much want try your cloning technique with it.

Also, do you think you could talk a little bit about your germination methods? Also when, how and at what time you begin the fertigation at the seedling stage? My apologies if you’ve covered that somewhere in the diaries and I’ve missed it..

Anyways thanks again for sharing your wisdom with us and I’m looking forward to future updates on your grow!
Thank you so much! I'm glad you liked it. The bonsai moms we keep as mother plants are a lot different from real bonsai. I'm a huge fan of real bonsai-I visited Japan one time and went out of my way to see some good collections there and it was totally worth it. Besides the temples and temple gardens, those bonsai really made the trip....well, the food and hot springs are right up there too lol. With real bonsai, I would try air layering-there are some great tutorials out there on how to do it. With woody plants/trees, I've had awesome success with air layering, although I've never tried it with a bonsai-mostly just with fruit trees in my garden. As for germination, I like to keep it simple and just focus on the environment. I'll write the long version here since I don't think I talked about it much in this journal yet.

Keeping a stable, warm temp 24/7 is the key thing, as well as keeping the media moist, but not soaked. I germ directly in coco, keep it 78-80 degrees, under a mild light-either a t5 or the led turned down low, kept on 24/7. To avoid possible damping off, I run some .6-.8 EC nutrient solution with Southern Ag Garden Friendly Fungicide through the coco media (loose bagged type, canna/hydrofarm/botanicare), which also lowers its initial EC which is usually right around 1 due to the calcium nitrate buffering process. The Southern Ag inoculates the soil and I've never had a damping off problem since using it, on anything in my veggie garden either. I also add some seaweed extract and Mr Fulvic to that same soil flush (I continue to use both through veg), as both of those are shown in studies to increase germ rates. I soak my seeds for 12 hours in a mild h202 solution 1oz of h202 to 500 ml water, then I take out the seeds, dust them in mycorrhizae powder, then plant in that flushed coco in solo cups. Keep uncovered and keep a spray bottle with water in it handy-at 80 deg the surface will dry out quickly so you'll want to mist it once or twice per day just to keep the surface moist-but you don't want to add enough to soak the inside anymore. If your rh is low and the soil is drying out too quickly, you can get away with covering the cups with zip lock bags just until you see the sprout start to emerge, then take them off-don't cover them at all unless you use the Southern Ag. Those seeds will sprout fast if they are fresh, but might take a few days. Once the seedling emerges, wait until the cup gets light before you feed-this could take a few days to up to a week or more, depending on temps, rh, and the type of coco you germinated in- some fine grind coco brands hold much more water than other brands. Both fine and course grind coco can be treated the same way once the roots fill out, before that point, be careful not to overwater fine grind coco. I begin fertigating as soon as the soil dries out enough-once the sprout emerges, stop using the sprayer and let the roots reach out to find the water-give them a slight wet/dry cycle (let cups get light, but not overly dry) just until the roots fill out their container. Do the same when you transfer from solo cup to a larger pot-the wet/dry cycle helps fill out the root ball. I only feed daily when the roots have filled out whatever sized container/pot, I have them in. I typically feed .8 ec through veg, but plants really vary in the EC that they like, so I start there and raise it if I need to, and occasionally, I have to lower it with very sensitive types-like one of the OGs I'm growing now. I think that's pretty much everything I do/use.
 

Rurumo

Well-Known Member
Well, I got my new phone but I need to really sit down and mess around with the camera-the regular pics I was taking without adjusting anything didn't look good in there. It has a macro setting that's pretty cool though and I have some pics I took real quick with that a few min ago:

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Jelly Breath-this is really shaping up into a nice plant. I'll try to get some shots of it from the side so you can see how nice and dense the larf on it is.
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Flapjacks-this really is the best bakery smelling plant I've ever smelled, although I'm not really fond of these terps in general. This weird plant is winning me over.

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NSFSHEEESH-that bahama mama influence really came though. I didn't even realize it was purple until I saw this pic.

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Here is the Apples and Banana X Medellin. I allowed this plant to grow too close to the light, just to see how close I could get before getting any light burn-which you can see on the leaf. The closeness also triggered some crazy foxtails, but overall the plant seemed to like it. This should be really good herb, the Chem D influence came down strong through the generations.

Thanks for checking out my plants!
 

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Rurumo

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The first pic is just one I took on auto settings, and the second is the same pic but I just messed with some settings on a free photo editing program. I think it's better, I don't like how yellowish the LED is making them....I have not messed with the built in filters yet though. Later on I'm going to mess with the pro settings and I want to see if I can figure out how to stack photos, which looks very cool
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Doggy portrait mode:

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Rurumo

Well-Known Member
I found an interesting study on using brewer's yeast as a biostimulant. https://www.researchgate.net/publication/273223410_Yeast_as_a_Biofertilizer_Alters_Plant_Growth_and_Morphology

One interesting point is that both the live and dead yeast had the same effect via the process of rhizophagy, so basically it feeds the plant directly, as well as feeding the microbiome. Brewer's yeast was what my old time cannabis guru taught me to use back in the day and I hadn't even thought of it again until recently, then I saw this study and thought I'm mention it here. My grandma was an amazing gardener, and one of the "secrets" she taught me was to feed brewers yeast to roses to initiate flowering. Brewer's yeast is high in phosphorus and potassium, so it could be something as simple as the right nutrient topdress at the right time.
 

Rurumo

Well-Known Member
I'm skipping one week of updates, just got caught up with some stuff and didn't have time. But, I found this video on how to mix Promix Connect and thought I'd share it:
....now THAT is how you cover a rootball. Just dip it in that good mycorrhizal pancake batter. I'll be sure to take pictures when I do this lol
 

Rurumo

Well-Known Member
Well, two of the four plants in my 4x4 are VERY ripe so I've been considering my drying options in suboptimal conditions. It has been high 90s this week and my AC at full blast just keeps my temps in the low 80s during the hottest part of the day, so I've been thinking about ways to slow down my dry as much as possible. I've been chopping at the base and whole hang drying for years and love it. It absolutely slows down moisture loss compared to wet trimming. I've always wanted to try drying in place(vine drying), just to see if the root ball remaining connected will further slow down the dry by a noticeable amount, so I've decided to try it with this grow. I'm thinking of watering them one more time tonight with pure water then cutting them off, and reducing my air flow inside the tent to a single fan on the floor-I'll also slightly reduce my vent fan speed because it's like a wind tunnel in there right now. The final water only feed is just so the EC won't skyrocket when it dries out, although I doubt that matters. I think this will work quite well, because the buds are vastly more spread out now than they would be hanging upside down, so there should be less chance of mold doing it this way. I've wanted to try this for years but I never seem to remember to try it when the time comes, so lets do this!
 

HydoDan

Well-Known Member
I never thought of this, sounds like a solid plan and I'm looking forward to your results..
Should make dry trimming a hell of a lot easier. Thanks
 

Rurumo

Well-Known Member
I never thought of this, sounds like a solid plan and I'm looking forward to your results..
Should make dry trimming a hell of a lot easier. Thanks
It will be nice to skip the entire step of chopping them and awkwardly trying to hang them in the tent without dragging the tops on the floor. I always seem to have some accident when I do it. This way, I figure I'll just open up the tent and start cutting down the dry branches, as much as I need per trim session, should be smooth.
 

Antidote Man

Well-Known Member
That light looks great. Your buds, even better. Nice tent. I recently purchased the Mars Hydro TSL2000 and it was so hot, even on the diode side, i boxed it up moments later and returned it. I cant imagine it being in a tent your size without the same kind of ventilation and fans as in a 1000w HPS setup.

My bestva pro 2000 arrived and gave me faith again. I cant stop jumping up and down, it puts out virtually no heat and the plants are growing with 5x the strength as my 3000 blurple, at least. I was going to write mars hydro off but your grow has me thinking... if only I had more space than an old double wide clothing closet with no ventilation..
 

Rurumo

Well-Known Member
That light looks great. Your buds, even better. Nice tent. I recently purchased the Mars Hydro TSL2000 and it was so hot, even on the diode side, i boxed it up moments later and returned it. I cant imagine it being in a tent your size without the same kind of ventilation and fans as in a 1000w HPS setup.

My bestva pro 2000 arrived and gave me faith again. I cant stop jumping up and down, it puts out virtually no heat and the plants are growing with 5x the strength as my 3000 blurple, at least. I was going to write mars hydro off but your grow has me thinking... if only I had more space than an old double wide clothing closet with no ventilation..
I have really enjoyed growing with both the FC 6500 and FC 3000. I do use an 8" AC infinity extraction fan, but only on the 3rd from the slowest setting, which is still an unbelievable amount of air. Ventilation is really important, as is filtering the air. I would love to get those expensive dust shrooms because they really work well and air flows quite freely through them, but at $100 or so each, they are kinda last on my list of frivolous cool things to buy. Your ventilation situation is tough to deal with, hopefully you can find a way around it!
 

DrDukePHD

Well-Known Member
I have really enjoyed growing with both the FC 6500 and FC 3000. I do use an 8" AC infinity extraction fan, but only on the 3rd from the slowest setting, which is still an unbelievable amount of air. Ventilation is really important, as is filtering the air. I would love to get those expensive dust shrooms because they really work well and air flows quite freely through them, but at $100 or so each, they are kinda last on my list of frivolous cool things to buy. Your ventilation situation is tough to deal with, hopefully you can find a way around it!
Expensive dust shrooms?
I'm looking into an air purifier with HEPA & uvc (uvc? uvb i forget) to kill/stop any mold bacteria etc. Is that what you're talking about?
 

Rurumo

Well-Known Member
Expensive dust shrooms?
I'm looking into an air purifier with HEPA & uvc (uvc? uvb i forget) to kill/stop any mold bacteria etc. Is that what you're talking about?
The Horti-dust shrooms are sweet! But actually, a normal hepa room filter is a great addition. PM can't spread when the entire volume of air in a room is being hepa filtered 5 times per hour. I bought a new hepa filter a month or so back and I just love it.
 

Rurumo

Well-Known Member
Here is the last group of pics I took before unplugging my light this morning, hopefully the dry goes well!

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Next 3 pics NSFSHEEESH-I'm glad I finally grew a GSC, I've come to have a little appreciation for them. BTW the Cereal Milk clone has very similar leaves to this plant-those pretty leaves must be a common trait among GSC types.


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This was a very strange strain, curious how it smokes.-Flapjacks

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Jelly Breath is nice and ripe.

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The FlapJacks is very ripe and ready to go.

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Apples and Bananas X Medellin-This is the only plant that I wouldn't mind see go another week or two, but I need the space to dry these, so...

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NSFSHEESH+Dog hair

Thanks for following along, as always! There is some stuff I've got coming up that I will document here, preparing soil for next grow and starting more seedlings soon. I'll also be doing the mother of all cleanings here once these are dry. Of course, I'll keep you guys updated on my vine drying adventure. I left one fan above the canopy, pointing at the ceiling on low, and one fan on the floor of the tent, on low, but I may turn one off. I'll move a hygrometer inside and keep an eye on things. The good news is, my plants will be in the dark for DAYS so they will get super potent THC....heh
 

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Rurumo

Well-Known Member
That flap jacks is crazy! Does it really smell like waffles? So funny to think of waffles for a weed smell lol
It does! I guess pancakes and waffles do smell pretty similar, so maybe it's just a pancakes smell, since its parent is Pancakes, but I just like waffles better than pancakes. The crispiness makes them delicious! The bakery smells are pretty funny, I'm stoked to see how that one smokes, it's such a mutant.
 
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