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Mr.G’s Greenpoint Grow

You've got great looking plants. I'm new to the indoor scene and to make things harder on myself I'm using RO water. If u don't mind a question...how to u feel about calmag. I see some guys adding quite a bit and w great success in their grows. W me it pushes my ppm so damn high there's barely enough room for any nutrients since I'm trying to stay in the 500-700 range. 700 the max. I'm currently in promix.
I'm not sure what medium ur in or if using RO...but where do u stand w calmag usage in your grows? I'm taking in as much as I can from successful growers. So anyone can chime in w thoughts if they'd like.
 
I'm working w another grower on here who's possibly the best I've ever seen. He uses up to 10ml religiously and kills it every single run. Plus tries to stay at 500-600ppm. Well 10ml for me puts me damn near 500ppm. No room for nutrients. I'd just like other perspectives. Not trying to hijack your thread here but w such a nice grow u got going on I thought it'd be a good place to get some insight and opinions.
 
I’m using promix as well, and use tap water that sits at approx 125ppm, with using tap water I only add calmag at 2ml/l, sometimes I will raise that if the plants are showing deficiencies. I’m more of a visual grower and try to supply the plants with just enough.
You can feed at higher PPM than 600 if you’re consistent with watering with sufficient runoff, and not allowing too much nutrient buildup.
Im sure you’re referring to @SSHZ, he’s a vet, and his consistency is a result of the more you grow the more you know.
 
Notice the stretchy purple blizzard at the back, that one is probably not getting enough light and needs moved, when I get in there this week to defol, I’ll mix the 2 strains up and group them better by size. Colas are going to suffer with all this stretch.


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Maxac in better early flower progression,
Both strains sucking 5gal promix dry in 48hrs.

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Cal/mag deficiencies are normally the first to show up, since marijuana is a heavy user of both. R.O. devices specifically remove most if not all of both, that is why additional is needed. If your starting ppm is high or higher, normally it's chock full of cal/mag already and less is needed to be added.

I normally run cal/mag high in veg, and start cutting back in flowering......but as stated, every circumstance is different and what works for me may not work for others. I've stated in my current and last grow, i need to make more of an effort to keep ppm in the 450 range and not go much above that, as some strains are more sensitive and react poorly over time. The Biscotti is a perfect example of that- some of those plants are doing poorly, while the All Starz is breezing thru it all.

It's best to start low and build up rather than hit them with an abnormally high ppm. Learn to read your plants, they will tell you what you need to know if you listen.
 
SSHZ said:
Cal/mag deficiencies are normally the first to show up, since marijuana is a heavy user of both. R.O. devices specifically remove most if not all of both, that is why additional is needed. If your starting ppm is high or higher, normally it's chock full of cal/mag already and less is needed to be added.

I normally run cal/mag high in veg, and start cutting back in flowering......but as stated, every circumstance is different and what works for me may not work for others. I've stated in my current and last grow, i need to make more of an effort to keep ppm in the 450 range and not go much above that, as some strains are more sensitive and react poorly over time. The Biscotti is a perfect example of that- some of those plants are doing poorly, while the All Starz is breezing thru it all.

It's best to start low and build up rather than hit them with an abnormally high ppm. Learn to read your plants, they will tell you what you need to know if you listen.
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Rt now that's my downfall, reading them. You,sshz, are just amazing. I've told u that 1,000,001 times. I'm absorbing everything I can from everyone. My RO starts at zero. This next run I may put on here and see what the masses think. I got tremendous help last round and it turned out very nice, about 3/4 of them anyway.
I've grown outdoor mostly guerilla style since mid 90s and mother nature takes care of me. Indoor is a different ballgame.
Is it something u add w every watering, every other, or just when they show signs of needing a dose? I've got no quit in me so I'll keep trying.
 
My opinion is it should be at 5ml per gallon with every watering.......depending on whether you are using r.o. water and your starting ppm is. That's a minimum position. If you start seeing rust spots, tacoing, or funky sun leaves- I'd bump it up some until things improve. You've asked others here, so I'll let them respond........
 
SSHZ said:
My opinion is it should be at 5ml per gallon with every watering.......depending on whether you are using r.o. water and your starting ppm is. That's a minimum position. If you start seeing rust spots, tacoing, or funky sun leaves- I'd bump it up some until things improve. You've asked others here, so I'll let them respond........
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I add it at every water as well, if you’re going ml/gal? At 5ml/1gal. as a Canadian, I stick to metric with liquid measure. 2ml/l which would be roughly 7.5ml/gal.
I’m sure your using more calmag than you used to since switching to LED.
 
Took a few hours this morning to clean up all the plants, most aggressive thinning yet. Ended up supercropping the one tall bitch. Dimmed the lights -20% for the day to give them a recovery. Stresses me out stressing them, but maybe it will help slow them down a little

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Hope everyone enjoyed the holiday, and has time to recover for new years.
Flowering stretch appears nearly done, and time to build some flowers. Frost appearing quite heavily,and showing good signs of buds to come. Photo of general flower progression, after 3 weeks.
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Observer said:
Yes, i just dont like what it can do for the structure.

Indeed.
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I’ve got the lamps, I checked them out, and they are both 660nm. Every time I’ve implemented them after stretch, I’ve had good results, so why not add them for extra ppfd.

Favourite plant is still this Purple Blizzard lady, under the right settings with the lights she appears really beautiful blue with nice flower development.
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Happy new year all!
Wanted to be more productive with the plants today, but not feeling too energetic to start the new year. Did pluck some leaves, and stake some branches. Dominant aromas in the room are cookies, sweet and earthy, with a little lemon on some.
Slightly heavier budset on the Purple blizzard, but it’s all pretty similar flower to this point for structure and terps.

MaxAC
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Purple Blizzard.
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sf4000 doesn’t provide enough light for my liking, tucked it back and added a couple sf1000s instead of the 660nm lights. Brings the output up to 1300w. Tough to keep up with these plants, need to take another bag of leaves out, airflow a challenge, but adding more light is good for now. IMG_6538.jpegIMG_6542.jpegIMG_6541-compressed.jpeg
 
Mr.GreenthumbOG said:
They send what they send for replacement. Not my choice, I’d much rather just have 2 larger lights to fill the space, but I’ll make it work
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They just sent you a lesser powered board light for your broken bar light? Wow, just "not your choice, You're the customer, So I'd say that's pretty fucked up on spiderfarmers part..... the grow looks great regardless man, killing it 👌
 
midwestcannaman said:
They just sent you a lesser powered board light for your broken bar light? Wow, just "not your choice, You're the customer, So I'd say that's pretty fucked up on spiderfarmers part..... the grow looks great regardless man, killing it 👌
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Thanks for the kindness, yup, second bar light they’ve replaced with a lesser board light. Not my idea of quality customer service, but not much I can do about it.
I actually feel like the board lights are longer lasting with less wiring. I’ve got another first year sf4000 in storage that still works properly, but has poor diode placement causing hotspots, and no dimming ability.
Only working bar light I still have is a se3000, but it’s hard to find a space for that light in my footprint.
 
One MaxAx just not like the others. Purple and crown budlets forming. Looks like a faster finisher.

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Purple blizzard less purple, did a flush watering today to check runoff, PH 6.1, ppm @300. Time for another feeding next water.

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Mr.GreenthumbOG said:
Thanks for the kindness, yup, second bar light they’ve replaced with a lesser board light. Not my idea of quality customer service, but not much I can do about it.
I actually feel like the board lights are longer lasting with less wiring. I’ve got another first year sf4000 in storage that still works properly, but has poor diode placement causing hotspots, and no dimming ability.
Only working bar light I still have is a se3000, but it’s hard to find a space for that light in my footprint.
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At least we didn't buy them lol. My se5000 is fucky again too...
 
Max said:
Wonder what diodes spiderfarmer will run once Samsung exits the grow light industry..
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Wild if Samsung really is pulling diode production, lots of other cheaper options tho, probably why they can’t justify the production anymore.

I feel like I’ve removed so many leaves this grow, a few here and there the rest of the way moving forward. Photos highlight the MaxAC side of the tent. Middle of week 4, awaiting the bulking up.
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Supercropped purple blizzard plant is 6” from the light, if it bleaches so be it, really bulking up with minor light burn.
Finished staking branching, plants are pissed with getting handled, but should be smooth sailing now ⛵️👌
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