[GWE] Soil or Hydro?

Published: Sun, 04/13/14

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Issue #104 - Sunday, April 13, 2014

Dear Fellow Grower,

In today's issue...

  • Learn whether soil, hydro or soil-hydro fusion is right for you.
  • Discover how to control smells in the grow room so no one will know that you're growing.
  • This week's Trophy Pic features strain "Qwazy Train."

Happy Growing!
Nebula Haze & Sirius Fourside (founders of GrowWeedEasy.com)

"We must give more in order to get more. It is the generous giving of ourselves that produces the generous harvest."

~Orison Swett Marden

Soil vs Hydro for Cannabis?
by Nebula Haze

Which growing medium is right for your cannabis grow? Should you grow hydro, with soil, or a hydro-soil fusion (such as soilless potting mixes)?

Today, get a basic explanation of what to expect for each type of cannabis grow (including pros/cons, effect on yields, quality, etc)

Table of Contents

Soil

Hydro

Soil-Hydro Fusion - coco coir & other soilless mediums

Intro to Growing Cannabis in Soil

Growing plants in soil seems to be what many people try first when it comes to growing in cannabis. If you've grown other plants in soil and/or have maintained a soil garden, this may be the best choice for you because you will already be familiar with a lot of what you need to understand to grow cannabis in soil.

Note: Do not use "Miracle-Gro" soil or any soil that has "extended release" nutrients. These types of soil will continue to release nitrogen to your plant roots for up to 6 months. This can burn your cannabis plants in the flowering/budding stage and reduce your overall yields


Growing with Hydroponics
Intro to Hydroponics for Cannabis

While technically any growing medium besides soil is considered hydroponics (including growing in a soilless medium like coco coir), when most people think of "hydroponics" they think of a water reservoir.

Technically any type of hydroponics with no inert medium is called a "solution culture" to differentiate it from other types of hydroponics.

This section focuses on types of hydroponics where the cannabis roots grow directly in water and/or the grower needs to maintain a water reservoir.

In the next section we will cover soilless mediums, which are technically a type of hydroponics, but which most people consider more like growing in soil.

Click Here for Short Summary of Hydroponics History

DWC - roots in nutrient reservoir that is oxygenated by bubbling air through the water. There are lots of different variations of the DWC method.

Top-Fed DWC (Bubbleponics) - like DWC except water is also pumped to the roots via a top-feed - fastest growth of almost any hydro system

View tutorial on how to make a Top-Fed DWC hydroponic system for growing cannabis

Note: What's "RDWC"? It stands for recirculating DWC, which involves many DWC units hooked together with pumps and a "controller" to make sure all the plants get what they need. Usually only used for very big grows with many DWC units - this method allows a grower to maintain many DWC reservoirs in one place, and have the water pumped to all the plants

NFT (Nutrient Film Technique) - roots in containers on a tilted surface (often PVC piping). A water pump drips water from a reservoir to the roots of the first plant, and a shallow stream of water flows down the ramp over the roots of all the plants, one at a time. At the end, the water is usually drained back into the main reservoir to be recirculated. It is called "NFT" or "nutrient film technique" because there is a film of nutrient water flowing over the roots at all times.
Flood & Drain (Ebb & Flow) - roots in container which is flooded with water and drained on a timer - get plenty of nutrient water to roots as well as oxygen.

Aquaponics - roots in reservoir that uses fish to provide nutrients - you manage the fish to make sure they provide the right kind of nutrients, and the plant roots help filter the water for the fish. This method can be used for growing cannabis, but is not well suited to growing a lot of cannabis plants and can be difficult to get everything working together properly (for example: choosing the right type of fish, managing nutrient levels for different cannabis life stages, making sure the fish thrive, dealing with fish disorders that can cause fish to die, etc).
Aeroponics - roots in misted air - this method gets more oxygen to roots than almost any other system. Can be difficult to get setup if you want to DIY (do it yourself) but there are lots of already-made aeroponics kits for growers interested in this style of hydroponics.
Drip system - Basically an automated watering system - can be used full hydro, with a soilless medium or even with soil. Plants are provided water via top-feed from a reservoir of water. There's lots of variation on drip systems. For example, sometimes these systems are re-circulating, and sometimes the water is discarded after being dripped through the roots. Sometimes the water feed in on a timer, and sometimes the water flows constantly.
Soilless Hydro

Soilless Mediums (Hand-Watered Hydro) - While growing with cannabis roots directly in a soilless medium like coco coir is technically considered hydroponics, I will go over it in the next section because as far as the grower is concerned, the experience of growing in soilless mediums is more like a fusion of soil and hydro compared to most other hydro techniques.
NOT Good For Growing Cannabis

These Hydro Methods Are NOT Suitable For Growing Cannabis

Raft System - Only meant for small plants like lettuce, raft hydro systems keep plants on a "raft" floating in a nutrient reservoir.

No tiny hydro systems like ones made for growing herbs! These hydroponic systems are far too small for a plant like cannabis. They don't have enough room for roots, or enough light to get cannabis to properly produce buds in the flowering stage. Don't use an Aerogarden (Aerogrow)! It is a struggle to get cannabis to grow in one of these, and you will get a lot better results using almost anything else (never mind the fact that they're expensive).

Never Use an AeroGarden for Growing Cannabis!

Growing with Hydroponics

Intro to Coco Coir & Other Soilless Potting Mixes

While technically any growing medium besides soil is considered "hydroponic," growing in coco coir or other types of soilless mediums can feel a lot like growing in Soil.

Who Runs This Newsletter?
Nebula Haze:

Marijuana has literally saved my life, and I'm dedicated to showing you how easy it can be to grow.

I have made it my mission to build growing resources to help both new and advanced growers get bigger, better yields with less time and money.
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 is 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, perlite, or a different medium, we'll show you how easy it can be!"
How to Control Smells Indoors

A grow room full of budding cannabis plants is a factory for the skunky, spicy almost diesel aroma of cannabis buds.

Stealth is Important - For many growers, a huge part of protecting their plants is making sure no one else knows about the cannabis grow room. Many indoor growers are interested in how to get rid of that tell-tale cannabis smell.

Today we'll quickly get you up to speed on the options available to neutralize smells made by your plants, and we'll explain which methods are most effective.

There really aren't a lot of options when it comes to stopping smells in the grow room. Either you find a way to "scrub" the smells out of the air, or you find a way to cover up the smell.

For a small grow with just 1 or 2 plants, you can usually get away with covering up the smell.

For a larger grow, you will likely need to scrub the air to make sure you're not leaking any smells that might catch the attention of nosy neighbors.

Here are the main ways to get rid of smells in your grow room:

Trophy Picture of the Week!

 "Qrazy Train at 4 weeks into flowering. It's a 50/50 and she is spectacular. My first grow in 30 years thanks to your site." 
~GrowerMan360


Submit YOUR Trophy Pics Here:

http://growweedeasy.com/submit-trophy-pics

Look Who's Talking!

"I grew in dirt for years just recently switched to a drip hydroponics system. Now I have no pests, it took half the time and I got 75% more out of the yield with half the plants. It's worth the trouble."

~  Ramon

Remember, sharing is caring!

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