A few pics and data from my HPA system
HPA = High Pressure Aeroponics
I have another thread here that lists all of my parts used for those interested. See a link to that page at the bottom of this post.
In the picture above, the numbers correspond to the following:
1. 2 Gallon Well-x-trol accumulator
2. 125 psi pressure relief valve
3. 12 V Solenoid
4. Pressure Gauge
5. Pressure Switch set to turn the pump off at 80 psi
6. Aquatec 8800 RO Boost Pump
7. 200 Mesh Inline Filter
Results put simply:
1.) 9 plants (6 peppers, 3 tomatoes) consume 20 gallons of water every 10 days during flowering
2.) 0.7 EC has been necessary for the plants to thrive
3.) The 9 plants consume about ~0.2 EC every 3 days during flowering and fruiting
So far this system has been effective and pretty much hassle free. Most people say the main problem with these systems is that the sprayheads get clogged quickly by salt buildup, but I have not found that to be the case. After ~60 days, I have not had any clogged sprayheads from salt buildup. However, I did run into an algae bloom that ended up accumulating at the sprayheads which required me to clean the tubes (took a good hour).
Please, comments or questions?
How does the consumption of water compare to your NFT or DWC systems? Studies have shown that HPA can use 98% less water than other means so I am interested to see the difference, if any at all : )
Here is a link that might be useful: HPA system parts
This post was edited by ethnobotany on Sun, Mar 24, 13 at 19:32