Tag Archives: aeroponics

Aeroponics Design, Rev. 1

Moved to 5 gallon food grade bucket per plant for grow container, as rubbermaid totes have mixed reviews.

Simplified plumbing of brass sections.

drain valve is a T connect and straight valve, much cheaper then the bypass valves. May be upgraded later.

Added solenoid.

Mist nozzle placement will be determined once everything has been test installed and I can measure the mist pattern.

To get easy access to mist nozzles, I will thread the tubing through rubber corks, likely sourced from local home brewing stores. That way I have quick access for dealing with clogs and nozzle replacement.

Cost Analysis

I sourced all parts through Amazon, for easy list making. I will try to locally source as much material as I can.

Aeroponics Shopping List

Total: $625

Happy Toking!
Indica Sloth

Grow Room Design, Rev. 2

Minor tweaks so that the Foylon goes on the inside, covering up the PVC and reducing degradation from UV light.

Enclosure will be built with 1″ PVC and Foylon walls. It will measure 5.3′ x 3.75′ x 6′. The enclosure will be anchored to pressure treated plywood at the base. If need be, it will also be anchored to the basement ceiling. Foylon will be attached with Wide and Tough Gorilla Tape. Weatherstripping will be placed along the edges.

Grow Containers will be 5 Gallon Food Grade Buckets sitting on milk crates with 6″ net pots in the lids. They will have either 2 or 4 mist nozzles depending on mist pattern. They will drain from the bottom, back into the reservoir.

Reservoir will be ~10 gallon in size, sourced locally, and depends on local pricing and availability.

Pump will be an Aquatec 8800 RO Booster pump with an 80/100 Pressure switch and Shurflo RV Accumulator.

Intake fan will be a 6″ inline 240CFM duct fan filtered with an automotive cabin air filter at the intake.

Exhaust fan will be a Ventech 6″ inline fan and carbon filter combo.

Power will be supplied by a 15 A Circuit spliced from the nearby 20 A Bathroom circuit, mounted in an RV electric hook-up.

Lighting will be two Apollo 400 Watt ballasts with wing hoods, swapped between HPS/MH as appropriate.

Controller will be a Raspberry Pi, with relay switched outlets and temp/hum inputs.

Grow Room Design, Rev. 1

I submitted Revision 0 plans to a number of forums and Reddit. The general feedback was more light and thicker PVC. I decided to add a hanging panel to the ceiling, to more evenly distribute the weight of the lights and allow for fine tuning their placement. I also remeasured the space and tried to leave room for a dry/cure cabinet to be installed in the space as well. I added in electrical, ventilation and plumbing. My plan for using Velcro along the edges was supported by community feedback. The lights will be 400W and ventilation is 6″ diameter.


Further Reading:
http://www.reddit.com/r/microgrowery/comments/2wdbjr/need_help_with_diy_grow_tent/
http://www.rollitup.org/t/need-help-with-diy-grow-tent.861062/
http://www.420magazine.com/forums/do-yourself/240307-need-help-diy-grow-tent.html
http://forum.grasscity.com/indoor-medical-marijuana-growing/1357787-need-help-diy-grow-tent.html

Aeroponics Design, Rev. 0

After reading lots of forums and scrolling an endless list of parts, this is the basic Aeroponics design I came up with. I still haven’t figured out the exact placement of nozzles.

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Grow Room Project

Overview

Grow Room

The Grow Room consists of the aeroponics plumbing, ventilation, lighting and enclosure.

Controller

The controller is a project unto itself. Controlling the aeroponics, ventilation and lighting will be a Raspberry Pi. I am developing Aerolang, an open-source software built with Erlang to be run on a Raspbian installation, with a web based front-end and minimal physical interface.

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Why Aeroponics for Cannabis Cultivation

Aeroponics has it’s roots in the academic world. Initially developed as a method to study plant root structures in the 1920’s. Richard Stoner brought aeroponics to the commercial world as Genesis Technology in 1983. In 1998 NASA funded Stoner’s aeroponics research, bringing attention to this method of growing.

Research has shown that plants have the highest efficiency nutrient and oxygen uptake when exposed to water droplets between 5 and 50 microns. The High Pressure Aeroponics (HPA) system is designed to produce the 50 micron droplet size. This requires special spray nozzles and a pump system that operates at 100psi. Although setting up an HPA is more complicated and expensive, the benefits are certainly worth it. HPA allows for a faster harvest frequency,  uses 98% less water and 1/3 the nutrients of soil and hydroponics systems.

Since the watering system requires precisely timed output, an HPA system requires a higher level of automation in the grow room. To me this is a benefit, I am very interested in automating the environment control to get the best yield from my  4 plant cap (since this is what is allowed for a private grow in Oregon).

Happy Toking!
Indica Sloth


Further Reading:
http://www.aeroponics.com/aero11d.htm
http://home.howstuffworks.com/lawn-garden/professional-landscaping/alternative-methods/aeroponics1.htm
http://aeroponicsdiy.com/make-your-own-high-pressure-aeroponics-system/
http://en.wikipedia.org/wiki/Aeroponics#History