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Issue #486 - Sunday, August 8, 2021
Dear Fellow Grower,
In today's issue...
- It's finally here! Nebula has grown, harvested, trimmed, and cured the buds from her LED grow-off between the Mars Hydro TSL-2000W and the Spider Farmer SF-2000. They're both awesome LED grow lights, but which one will come out on top? Who yields the best? Who has the most cannabinoids? Find out today!
- Seeing brown spots on your leaves directly under the grow light? Find out what it is and how to fix it!
- They're big, they're green, and they're taking up way too much space in our trophy picture section. These plants range from "getting kinda big" to "What have you done?!". Luckily, they're all beautiful to look at and, they'll make your Sunday (or Monday) a bit better than it already was.
Nebula Haze & Sirius Fourside (founders of GrowWeedEasy.com)
"I long to accomplish a great and noble task, but it is my chief duty to accomplish small tasks as if they were great and noble."
~Helen Keller
Mars Hydro TSL-2000W
vs
Spider Farmer SF-2000
💡🤜🆚🤛💡
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You may have been following along with my Mars Hydro vs Spider Farmer LED side-by-side grow journal.
Mars Hydro tent before harvest
Spider Farmer tent before harvest
Today I'm excited to announce the final results after the weigh-in and lab testing.
(FYI, the company we use for lab testing still hasn't sent us the terpene results back yet, grrrrrrr, because of some kind of problem in the lab - I will update you with that information next week)
Pacific Punch bud before trimming. Visually, the Pacific Punch buds were the sparkliest 🙂
Pacific Punch bud after trimming
And here’s what they looked like all jarred up after they were trimmed.
Spider Farmer harvest in jars
Mars Hydro harvest in jars
Looks pretty similar! So what about the final weights?
Both grow lights produced about 10.5 oz in total, with the Spider Farmer edging ahead
But here’s the crazy thing… The Spider Farmer only uses 200W to the Mars Hydro’s 300W. That means the Spider Farmer produced more weed with only 2/3 the power usage.
But what about cannabinoid levels? Did one light produce better weed than the other? In our smoke reports, we couldn’t tell the difference between the weed from each light, so I was excited to see what the lab results had to say. Unfortunately, I’m still waiting on the terpene lab results so I will be posting those as soon as I get them!
Amnesia Lemon
- Spider Farmer – 13.9% THC, 0.8% CBD
- Mars Hydro – 14% THC, 1% CBD
Zweet Inzanity
- Spider Farmer – 24.5% THC, 0.9% CBD
- Mars Hydro – 25.4% THC, 0.9% CBD
Pacific Punch
- Spider Farmer – 26.9% THC, 0.8% CBD
- Mars Hydro – 26.4% THC, 0.9% CBD
Spider Farmer Results
- 21.8% THC, 0.8% CBD (average of 3 plants)
- 10.67 oz yield
- 1.51 g/watt
Mars Hydro Results
- 21.9% THC, 0.9% CBD (average of 3 plants)
- 10.43 oz yield
- 0.99 g/watt
Nebula’s Chosen Winner:
Spider Farmer SF-2000
Why did I choose the Spider Farmer as the winner of this side-by-side grow journal?
- Easier to set up – weighs less and is less bulky than the Mars Hydro, which made it much easier to hang
- Clean construction – while the Mars Hydro has sharp edges that could accidentally cut your forehead if you get too close, the Spider Farmer has round safe edges
- Fewer nutrient deficiencies or leaf problems – While both tents produced excellent growth, I did notice a few nutrient deficiencies in the Mars Hydro tent on the leaves directly under the grow light. On the other hand, I saw no nutrient deficiencies in the Spider Farmer tent throughout the grow, despite the fact that these plants were grown in otherwise identical conditions. It's probably worth noting that the Mars Hydro is a stronger light,
which may have contributed to this.
- Better Yields! This is where the Spider Farmer lamp really shined (*ba dum bum*). It produced over 1.5g per watt while the Mars Hydro produced a respectable 1 gram/ watt.
The quality of the buds was remarkably identical. In the past, I’ve noticed much bigger differences in bud quality when comparing between different grow mediums, or between LEDs vs other types of grow lights. But between these lights the actual buds seem almost exactly the same. It’s just a matter of how much of them were produced.
That being said, both of these lights performed amazingly well and I think most growers would be happy with either one!
Delicious :)
What's Causing these Brown Spots?
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What causes this common problem?
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What causes brown spots (and often yellowing) on the leaves closest to the grow light? Many growers will accurately tell you it's a Calcium deficiency.
This is an extremely common grow issue but I haven't seen enough growers talking about what causes it and how to stop it spreading after you see it.
Calcium deficiencies like this are common when growing in coco or using soft or filtered water, but the most common reason to see a calcium deficiency is low pH at the roots.
When the pH is low at the roots (especially under 6 pH), it's common to see calcium deficiencies, often combined with yellowing, on the parts of the plant closest to the grow light
These plants grown in soil are suffering from too-low pH at the roots. Although cannabis calcium deficiencies are more common in coco, they often appear in soil and hydro, too
This deficiency is most common in the flowering stage after buds start forming (though you may see it any time)
Luckily, there's a 2-part solution that almost always stops the problem from spreading (unfortunately the discolored leaves will not turn green again):
- Maintain 6.5 pH until the problem clears up. Keep the pH at the roots from getting too low/acidic. 6.5 pH at the roots will help prevent calcium deficiencies in any grow medium including soil, coco, or hydro. Although in coco or hydro you shouldn't let the pH go above 6.5, in soil, you can go up to 7 pH without issue. Learn more about pH
and growing cannabis.
- Use a Cal-Mag supplement like Cal-Mag Plus or CaliMagic. These products not only provide extra calcium but typically will also raise the pH. In a super soil grow (with no added nutrients), growers typically amend their soil with "dolomite lime" to add calcium and stabilize the pH higher.
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"Just wanted to give you a big thumbs up for running such an in-depth and informative site. Just started growing indoors after a 30 year break from my last grow."
~Jenny
A big 👍 back at ya, Jenny! ~Sirius
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"Just want to say thanks for all the information you provide. As a beginner, I have done countless hours of research trying not to make that big mistake. I find your site simply the best and my first go too. I like the detail and ease of use."
~Ron
I'm glad we could help. It's no fun learning about big mistakes the hard way. ~Sirius
"I wait for your newsletter every week."
~Alex
That's a huge compliment; we'll keep trying to live up to the hype! ~Sirius
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"White Widow started from seed."
~Hoodmaderiet
White Widow is a classic strain with amazing effects. I still enjoy it more than a decade after smoking it the first time. ~Sirius
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"GROWING LIKE WEEDS!...WHEEE!"
~Mr. K
Oh snap, it's Mr.K so I know these pictures are gonna be somethin'! let's take a look... ~Sirius
This picture is from June 6th
This picture is from July 6th
And this one is from August 6th!
[No description included.]
~Michael
Jeez! Are you raising a cannabis army? If so, we all surrender! 🤣 ~Sirius
We encourage you to forward this email to a friend in need!
GrowWeedEasy.com has hundreds and hundreds of pages!
Check out some articles you may not have seen...
- Fire Protection: Only You Can Prevent Grow Room Fires! - Sure, a fire in your grow room will destroy your plants, but that would be the least of your worries at the time. You can ensure your home has good fire safety with just a few steps.
- Controlling Smells & Odors in The Grow Room - If you live in a legal state/country, odor from a cannabis plant is an easy way to upset your neighbors. If you live in a state/country where weed isn't legal, odors are an easy way to get busted.
- How to Grow Up to a Pound of Cannabis with a 315 LEC Grow Light - Did you read through this grow journal but still aren't convinced to give LEDs a go? LECs (CMH) lights are still alive and kicking, and they're great at growing tons of super-sticky, super-stinky buds.
- Why Is My Weed Weak? (And How to Fix It) - You ever smoked a friend's weed, and it's just...weak? I've smoked weak buds from a buddy, and although I didn't say anything about my friend's weed, it made me realize that my stuff needs to be critic-ready. This article will help get you there!
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Who Runs This
Newsletter? |
Nebula Haze:
I'll be honest with you, when I first started growing, I struggled. Now, it is my mission to make it easier for new growers to get started as well as help advanced growers get bigger, better yields with less time and money. We update/add articles every week and have built a comprehensive growing resource. Anyone and everyone can grow if they want to! If we all share the knowledge there's more buds in the world for everyone
:)
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Learn which seed sources are personally recommended by Nebula Haze |
Sirius Fourside:
Sirius Fourside is a hobbyist grower who has gained the bulk of his experience growing in water as a medium (deep water culture, bubbleponics).
"Growing cannabis can be a relaxing hobby in and of itself, but it also saves you money and keeps you from having to deal with shady characters. Cannabis is much easier to grow than people give it credit for, and growing in water doesn't increase the difficulty much, if any. But whether you want to grow in water, coco, or a different medium, we'll show you how easy it can be!"
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