How To Grow Weeds From Seeds Hydroponic System

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How to Grow Hydroponic Cannabis at Home Hydroponics is when you grow your cannabis plant in an inert medium like coco or a reservoir of water, and provide all the nutrients to the plant directly The Flora Series from General Hydroponics is your tried & true nutrient solution for hydroponic cannabis growing, trusted since the 1970s

How to Grow Hydroponic Cannabis at Home

Hydroponics is when you grow your cannabis plant in an inert medium like coco or a reservoir of water, and provide all the nutrients to the plant directly in the water.

Growing in coco coir can be considered a type of hydroponics since it naturally contains no nutrients and you must provide all the nutrients in the water. However, when you say “hydroponics” most people think of this:

When it comes to hydroponic cannabis…

Differences Between Soil & Hydro

  • The optimum pH for coco and hydroponics is 5.5-6.5, while the optimum pH for soil is 6-7
  • Nutrients must be provided from when a hydroponic plant is a seedling (in seedling doses to start), otherwise the seedling will grow slower because it only has what’s contained in the seed itself. In soil you don’t need to add nutrients for a few weeks since there’s already some in the soil
  • Growing in coco coir (a growing medium that looks somewhat like soil but is actually made of dried coconut husks) gives you results that are somewhat between growing in soil and growing in a hydroponic reservoir of water – you get a lot of the benefits of both

Pros of Hydro

  • Plants in hydroponic setups generally grow faster in the vegetative stage than soil-grown plants
  • Less likely to get bugs
  • Buds can feel more potent
  • If growing in a reservoir you don’t have to worry about watering your plants when they’re dry, over/under watering, or removing runoff. Everyone is different but I find maintaining a hydro reservoir easier than moving the plants around or watering and using a wet vacuum to remove runoff (but we all have our personal preferences!)
  • If growing in a reservoir you use a very efficient amount of nutrients since you only mix up new water a few times a month, and only toss old water after the plant has already used up a lot of nutrients, which can save quite a bit if you’re using expensive nutrients and is better for the environment (compared to drain-to-waste)
  • You have more control over nutrient levels, PPM, and pH – for the mad scientists among us who want to get the most out of our plants as possible!
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Cons of Hydro

  • Hydro usually takes more preparation/setup than growing in soil. You’re providing more for the plant instead of letting the soil do some of the work for you
  • It can be easy to get root rot in hydro if you don’t provide your plant with a good-bacteria supplement like Hydroguard.
  • Soil-grown buds may have a more complex or stronger smell than hydro-grown buds, especially if grown in composted living soil without any liquid nutrients
  • Growing in soil is more intuitive for many people, and some people already have experience with soil from other types of gardening!

Is Hydroponics Good for Growing Cannabis?

Have you seen cannabis plants growing with their roots just floating in a reservoir of water? This type of hydroponics is known as Deep Water Culture (DWC), and has been around for over a 100 years! As more growers gain experience with this medium, DWC has become increasingly popular for growing cannabis. Hydroponic setups are really neat and offer some big benefits over growing in soil!

Benefits of Hydro Over Soil

  • Plants grown in a hydroponic reservoir tend to grow faster in the vegetative stage, resulting in bigger yields and faster harvests
  • Hydroponic buds tend to be more potent and often cost more at dispensaries
  • Once a hydroponic reservoir is set up, it does not take a lot of work or time to maintain. Instead of regularly watering plants and removing runoff, a hydro reservoir only requires you dip a PH Pen and top off with more water or adjust as needed.

Cons of Hydro

  • Takes more time and effort to set up than soil or coco
  • Buds grown in soil without added nutrients tend to have a stronger smell than buds grown with liquid nutrients like in a hydroponic setup (though if you’re trying to keep things low odor this might be a benefit).
  • Unless you protect your roots by using the right supplements and equipment, your plants may struggle with root rot. Luckily if you follow the steps in this tutorial you don’t need to worry about root rot killing your plants!

Hydro is a no-brainer for me. Whenever I go back to a hand-watered grow like coco coir, I am always surprised by how much extra time it takes to water plants and remove the runoff. The most intimidating part of hydro is just getting started – after that it’s actually really easy to take care of your plants. In my opinion, hydro is far easier and less time consuming than growing in soil or coco coir once you’re set up. If you are interested in hydro, go for it! If you follow this tutorial you will succeed!

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Today I’ll teach you how to set up your hydroponic reservoir for growing cannabis, and I’ll show you what you need to do each day for optimum growth

How to Grow Cannabis in DWC

So there are five major parts to getting set up. You need….

  • Grow Environment – I personally recommend a grow tent as opposed to building your own environment from scratch.
  • Grow Light – If you don’t already have a grow light, I recommend getting a 250W, 400W or 600W HPS grow light for your first grow. They are the most consistent type of grow light and get really great results in DWC.
  • Nutrients – I highly recommend getting GH Flora trio, Calimagic (Cal-Mag supplement) and Hydroguard.
  • Seeds – Learn where to get seeds
  • DWC tank – Learn how to build your own (it’s surprisingly hard to find a pre-made tank considering how cheap all the parts are!)

Once you’ve got your gear and supplies, it’s time to get set up and start growing! Here’s a quick overview.

Hydroponics: The original way to grow perfect cannabis every time

There’s a reason hydroponics is such a classic choice for cannabis: It’s easy to set up, it’s space efficient, and without the variability that comes with soil, you can fine-tune your plants’ nutrients for every part of the growth cycle. There’s almost zero guesswork involved, too, thanks to decades of growers that came before you—as long as you’re able to measure things—so it works for beginners and old hands alike.

When hydroponic herb rose to prominence in the 1970s, General Hydroponics, now part of Hawthorne Gardening Company, was right there on the ground floor. By 1976, they’d released their three-part Flora Series, the OG cannabis nutrient system that growers still swear by today.

Using General Hydroponics’ personalized assistance, clear guides, and straightforward nutrient system, first-time growers can get all the basics for starting their first crop—but once you have the basics down, it’s just as easy to personalize and adapt to every individual grow.

Whether you’re just starting out with cannabis cultivation or you’re used to growing using soil, hydroculture is the most foolproof way to get a full, healthy harvest. Here’s what you need to know.

What is hydroponics?

The simple version: Hydroponics is a way of growing plants with a blend of water and nutrients instead of soil. While humans have been growing plants without soil for eons, technology has developed in the last century. It was used to feed troops in World War II, and later, it would be used to grow lettuce in space.

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Hydroponics gradually spread from scientists to gardeners and hobbyists. While a lot of them were just growing veggies, it especially caught on with cannabis growers. Cannabis is a unique plant with very specific lighting, humidity, and nutritional needs, and hydroponics gave them a level of control they’d never had before. It made it easier than ever to avoid pesticides, too, since many common pests require soil to thrive.

Getting started with a hydroponic cannabis crop

A cannabis plant has two basic stages, although they break down into smaller ones. During the grow period, the priority is developing leaves and stems, creating a sturdy, healthy plant. With that strong foundation in place, you move onto the bloom phase, creating as many sticky buds as you can. For maximum yields, both of those processes need different nutrients—for example, cannabis needs the most nitrogen at the end of the growing period—and with hydroponics, it’s incredibly easy to adjust them to the plant’s exact needs at any given time.

To get started, you can either buy a premade hydroponics system or, if you’re thrifty and handy, build your own. Make sure your plants are getting adequate light, either naturally or from grow lights, and plenty of ventilation. (If you stick with it, you’ll want to look into getting more precise environmental controls, like an air conditioner.) Check your water for the proper pH level before mixing in your nutrients.

General Hydroponics’ Flora Series is the simplest way to make sure your plants are well-fed. Your plant gets all the nutrients you need in just three different blends—FloraGro®, FloraBloom®, and FloraMicro®—mixed in different combinations depending on the plant’s growth stage.

General Hydroponics’ straightforward feedchart, built from decades of experience, gives both a simplified, four-step nutrient plan and a week-by-week breakdown, giving your crop the right balance for a productive harvest.

Expert assistance

The team at General Hydroponics are the original experts on hydroponic cannabis—and they’ve prepared a whole knowledge library to get you started. Articles for beginners cover the basics and frequently asked questions. Next-level growing resources give you everything you need to know about your growing environment, keeping your plants healthy, and troubleshooting.

But if all that doesn’t cover it, you can always give them a call. They’ll get a hydroponics wizard on the line to make sure you’re set up for success.

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