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Issue #368 - Sunday, May 5, 2019
Dear Fellow Grower,
In today's issue...
- We're going to show you how to use a lux meter. It's a simple tool that can have huge benefits for any cannabis grower!
- Once you've learned how to use a lux meter, make sure you have one in your toolbox! Honestly, I don't know why a grower wouldn't want to have one...
- A grower sent in pics because he "just really needed to show some one". We're glad he did because these plants look great! ...and using HPS lighting, too? 👍😎
Nebula Haze & Sirius Fourside (founders of GrowWeedEasy.com)
"I have been struck again and again by how important measurement is to improving the human condition."
~Bill Gates
How to Use a Cheap Lux Meter
to Increase Yields
by Nebula Haze
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Did you know you can get more out of your grow lights by measuring your light levels with a lux meter?
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Have you ever wondered if there was some way to measure how much light your plants are receiving in your indoor cannabis grow?
Well, there’s a solution – a lux meter! Lux meters measure brightness. “Lux” is the measure of how many lumens per square meter are being received at a point in space. Lumens is a measure of light. So, in other words, a lux meter can tell you the amount of light received at any specific point in your grow area.
How does a lux meter help you?
- Bigger Yields – Plants which get the right amount of light grow faster and produce bigger yields. A lux meter helps you find the “sweet spot” for your grow light where your plants get the highest amount of light without getting burned. It also helps you space out your plants and try different configurations with your light to maximize the amount of plant matter in the sweet spot.
- Test Your Bulbs – You can use a lux meter to find out when you need to get new bulbs. Most grow lights with replaceable bulbs get weaker over time and need to be replaced every few grows (some more than others, for example LEDs can last for years). A lux meter can help you know exactly when it’s time to replace your bulbs.
- Healthier Growth – You can find out when certain parts of the plant are getting too much or not enough light. Lux meters can also help you avoid light burn caused by too-high levels of lux.
- Better Than Your Eyes – It can be difficult to just look at a space and know exactly which parts are getting the most light. We try our best, but a lux meter can show you small adjustments that make a big difference. Sometimes moving a plant or adjusting a grow light by a few inches can make a surprisingly big difference.
The grow shown below was the first time I ever used a lux meter. For this grow I was using a 250W HPS light for the first time. I wasn’t familiar with how far to keep the light away from my plants. Luckily, I had a lux meter to give me definitive answers. I started testing light levels and how they vary with the position of the light distance and the plants.
I found out that 11-12″ was the best distance to keep my 250W light from these plants
And I kept testing lux levels throughout their life!
As the plants grew, I kept checking to make sure they were all getting the same amount of light. After my plants hit the flowering stage and started making buds, I found out that I could get more light to ALL parts of all the plants by moving everything 3 inches to the right. How crazy is that? There’s no way I would have figured that out on my own just by looking at the plants. It all had to do with the shape of the plants and how the colas were making shadows
compared to their position underneath the light.
Here’s a quick video showing you what I mean:
So a lux meter gave me the tools to get bigger yields by getting more light to my plants. The best part is I didn’t have to change my grow light – I was able to get better performance out of the same lights with different positioning.
Continue on to the rest of the article on GrowWeedEasy.com
where we get to the "controversial" part of the article:
Don't Grow Without a Lux Meter!
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Hey Growers!
We're currently in the middle of 3 separate grows, in 3 separate tents using 3 different sets of lighting. They're all set to finish in the next month or so!
And guess what? We use a Lux Meter on every single one of those grows!
It's just that useful, even when you have experience in growing cannabis with indoor grow lights.
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A decent lux meter is cheap! We purchased two meters like the one above, each for under $35, and they've both been working steadily for 5+ years. They even help us use the new LEDs we test.
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"You have helped this new grower, only 3 under my belt, so much! Read about coco coir on your site. Trying it and amazed! Followed your instructions and recommendations and having great results after only a few weeks.If I have a question, which are many, I can always rely on your site. You guys are great!"
~Andrew T.
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Trophy Pictures of the Week!
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"Just really needed to show someone my latest grow I’m so proud Of these it’s my fourth one and i feel like a kid at Christmas lol 😂 well the girls are currently 40 days into flower there’s three cheese one gelato one Orange Sherbert one gorilla szittles peace happy growing"
~Buzz
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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 are updating and adding articles every single week and our goal is to eventually build a comprehensive growing resource so 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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List of trusted seed sources:
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2019 GrowWeedEasy.com
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local laws but are not lawyers or medical professionals. Any decision to grow marijuana should only be made after consulting with an experienced lawyer or other legal adviser. Any medical decisions should only be made after speaking with a doctor or other medical professional. Be safe!
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