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By TrexTech_Extracts
I've been struggling to find a local and RELATIVE resource for another growing technique that's been around before my forefathers and theirs. I understand the hempy growing style to be passive hydroponics. Basically growing in a single unit containing soilless media with a raised overflow hole. Think of a single DWC bucket, but now NO motor NO air pump NO irrigation other than a hole a few centimeters from the base. (look further https://www.growweedeasy.com/what-is-a-hempy-bucket-and-is-it-good-for-growing-weed). You never run the risk of overwatering your plant because of this carefully placed overflow; every watering/feed is replenishing the old water in the res GRANTED you measure how much liquid it has taken to fill up in the first place. The internet suggests you fill the entire bucket with some hydro media and feed/water until you get atleast 30% overflow, but filling up one bucket top to bottom classifies to me as those Dutch/Bato buckets. However my adaptation still follows the principle of hempy style, but utilizes a second bucket acting as a larger (media-free) res. Bare in mind the top attached bucket has to have drainage/holes to allow water to flood the bottom few CM.
Now here's the catch! My adaptation only works if the bottom res bucket's overflow/drainage hole is HIGHER than the base of the top pot holding media and root mass. For a more detailed (and pedantic) look, feel free to check out my live grow report where I employ a modified hempy bucket for a Fast Buds Gelato auto: https://www.420sa.co.za/grow-reports/outdoor-grow-reports/gelato-auto-perlite-hempy-bucket-r33/
In this post I will be focusing on two gifted Apple Cups (AC), where I'll be doing a head-to-head in organic soil (FF Classic) vs this hempy bucket story. Please note while in a mini greenhouse these plants are growing outdoors and are only kept in the plastic structure during rain, torrential wind or to raise the humidity when my cheap hygrometer lies and says it's under 35%
AC#1 Hempy is first image in green pot, AC#2 organic in grey pot (perlite layer added and initially too much)
Stay tuned!
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By Johnsmithled
This is how I built an overpowered light worth $2500+ on the market for only $850. All currency is CAD.
*BEFORE STARTING*
Watch the 6 part growmau5 series to learn the wiring:
For the grounding plug:
Technical:
4x Hlg 185H 700ma in series drivers (i suggest you buy the newer 240H model) $250
40x 5000K $350
7x 3000K $25
(You can use less I used way too many)
All are bridgelux Gen 3/ C3 (Make sure theyre all plug in only dont mess around with the solder ones unless you have 100+hours experience in soldering)
The 3000k ones I used were soulder onlys. Lost a couple due to human error
Total Cost (TC): $575
Frame:
(Choose a better material for frame, I used wood composite because I was lazy) (I would think aluminum would be the best material but all have their pros and cons)
Wood composite 2x2ft v
Matching plastic 2x2ft (painting frame) $50?
Thermal tape (sized to the width of the led bars) $20
TC: $70-100
Electric:
100’ length 20guage solid core wire $60
50 pack 2 wire wagos 221 $25
4x plastic junction boxes 4inch x 4inch x 3inch (make sure it comes with something to plug up the holes and hold the wire)$40
500 assorted pack heatshrink tubing $20 (good to help fit in junction box)
4x Leviton 515PV 15Amp 125Volt grounding plug $20
25’ 16guage wire (for the grounding plug) $20
TC:$165-Everything is super flexible here just make sure your amps and volt calculations are solid.
-Dedicated extra fans (required): With 2 medium fans running on the light, and another 2 small fans running on the drivers everything is 20C-25C.
SETTING UP THE DIMMERS
(Very easy if you do it like i did in these pictures)
All you need is:
•100k potentiometers (maybe an ohm meter if you want to make sure ur dimmers go all the way to 100, most dont they go to like 92 or 97)
•20 guage wire (same as the led strips)
•Plastic junction box (make sure its got rubber wire holders that you cut a hole through with scissors and put the wire/ potentiometer through)
•211 Wago wire connector
•soldering machine (temperature is dependant on what kind of solder you use) $25
• silver solder (find a lower temp soldering machine ~360f for silver) $20
(This light is truly 800w if you use the exact parts, if you use more or less drivers and led strips or different brands then the wattage can vary from 600-1000, materials are very flexible just try to make sure volt/amp calculations are correct) (Always be cautious with electricity, build this whole thing without being plugged in to any wall outlet/power source⚠️⚡️)
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By the_dagga_doll
The Terra Aquatica General Hydroponics Ebb & Grow Irrigation System offers an easy-to-use system ideal for both new and experienced growers. With an automatic irrigation system to ensure that the nutrient solution is pumped to the tray to feed plants, it will automatically stop working once the substrate is sufficiently watered and the nutrient solution will drop back to the tank. Durable and adaptable to the grower's needs, this irrigation system is highly functional, manufactured from 100% recycled materials while remaining durable.
Produce more, more easily, without wires, tubes and complicated systems. Want to grow hydroponic herbs and vegetables at home, work or school, but put off by the complexity of the systems? The Ebb & Grow means you can use any pot you like, almost any substrate (although we recommend CocotekPX), and move plants around at will. Herbs in the front and tomatoes and chillies in the back? No problem. All salads this month and cut flowers from pots next? No problem. All our hydroponics systems are flexible, but the Ebb & Grow really is the most adaptable system we have ever made, and with no risk of leakage or overflow, easy disassembly and cleaning, it can be used anywhere that space is available.
The GHE Ebb & Grow is an “ebb and flood” design: a simple timer (not included) runs a pump intermittently to bring nutrient solution up to the growing table, where it flushes spent air from the roots of your plants, waters and feeds them, then pulls fresh air in as the water drains back down to the reservoir.
The system can hold up to thirty-two 15 cm plastic pots, twenty-two 1 gallon (3.75L) fabric pots, or as many larger pots as you can fit on its 88 cm square growing surface, and with a height of just 38 cm low ceilings are not a problem.
FEATURES
100L reservoir capacity
Automatic Irrigation System
Provides Excellent Oxygen Source to Root System
Easy to Use
Great Yielder System
Ideal for New or Experienced Growers
Adaptable to Grower's Needs
Adaptable to Many Substrates for Growing (Clay, Perlite, Coir & Soil)
Grow in any pots, with coco, clay pebbles or soil
100% Recycled Materials
Sturdy Construction
Height Allows for Growing Plants in Places With Low Heights
Easy to Clean
No Risk of Leakage/ Overflow Within Minimum Maintenance
Requires a Timer (NOT Included)
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