Aquaponic Gardening

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OFF GRID

doing it with your own power

Members: 219
Latest Activity: Feb 20, 2017

Discussion Forum

Compost Heating

Started by Kimberly Irene Lewis. Last reply by Jim Edmunds Feb 20, 2017. 7 Replies

Hi I am new and just researching my systems before I put them in. I plan on eventually having at least one large greenhouse full of aquaponics. I Live in Virginia and where as it doesn’t get too cold…Continue

Wind mills for aerators

Started by William Kohut. Last reply by Jim Fisk Jan 29, 2016. 8 Replies

Has anyone built a Windmill for aeration ? I am looking for plans to build a windmill and an aerator that runs off it.Continue

Failed on first attempt at off-grid. questions about voltage.

Started by Jeffrey Ihara. Last reply by Jeff S Sep 20, 2015. 29 Replies

So I bought a 45W photovoltaic kit from Harbor Freight which comes with its own charge controller ($139 on sale), a used deep cycle battery with 135 amp-hours, and a 1.6 amp DC pump that moves over…Continue

Going off grid with Solar in the new greenhouse

Started by Carla&Dave. Last reply by Carla&Dave Jun 25, 2015. 4 Replies

Pump power load on my SAP (Solar Aquaponics) system - rough calcs: I just put the system up last week, and just put in a kill-a-watt meter on Sunday.The meter is showing 200 watt hours in 24 hours…Continue

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Comment by William Kohut on October 23, 2012 at 10:14am

Dave, 

  Thank you is it in a powerpoint or video form?

Comment by Dave & Yvonne Story on October 23, 2012 at 10:01am

William,

that is what I did, 2 235 watt panels .each panel has 12g wire to a circuit breaker box inside my battery bank house. from the breaker box I have 10g wire to my controller and 6g wire to my battery bank .. currently, I have my battery bank set for 24vdc (pv panels are 30.2vdc and 7.7a) into an inverter. 2 weeks ago I gave a presentaion on my system to a meetup. It works great.

Comment by Dave & Yvonne Story on October 23, 2012 at 9:33am

my aeriator is marine. my water pumps are SHURflo RV automatic Demand pumps 2088-422-444.. I am not sure what auto demand is, but I will findout this weekend.

Comment by William Kohut on October 23, 2012 at 9:26am

Now I am researching which pump to use? any pointers?

Comment by William Kohut on October 23, 2012 at 8:49am

ok thank because im looking to buy 2 235 watt panels and go from there, with running a basic system 

Comment by George on October 23, 2012 at 7:51am

No William, I don't.  Three 195 watt panels to charge controller to two AGM 12 volts.  I have an inverter, which I haven't used lately and will likely not use again, except in case of power outage.  My pump to beds runs from grid with 12V pump spraying for additional aeration.  I've gone through a couple of 12V bilge pumps lately and will probably try SHURFlo next, which come with a three year warranty.  I'm thinking about going entirely 12V at some point, depending on pump dependability.  My panels are on the roof of my back porch and the electronics are on the porch, with wiring from there to my system, some 20 feet or so.  I don't know that I would go with solar if I had it to do again.  I did it initially for backup but backup can be accomplished with a couple of good batteries and either a really good inverter (to use a vehicle for charging) or generator to charge them with, should the power go out long term.  I was a little leery of hurricanes outages when I did the solar install.  On the other hand, if you have the money on hand, it's nice to have solar.  I'd like to take my system completely off grid but I don't see it happening unless the 12V works out.  Solar can be a tough go if you get a few cloudy days in a row.

Comment by William Kohut on October 23, 2012 at 6:43am

George, 

    Do you have any diagrams or pictures because the system that im slowly piecing together, I would like to power with  solar panels.

Comment by Dave & Yvonne Story on October 22, 2012 at 8:21pm

I have two aquaponic flood and drain systems operating on solar power.

1. is set for deep rooted plants.. chia, moringa, oleander, and other trees

2. is set for short rooted plants.. amaranth, 32 mejoul date palms, and shade trees

currently, I use a 24vdc inverter, but I have purchsed two 12vdc marine pumps and two 12vdc marine aerators. I will set them up this weekend, then I can inform anyone who is interested

 

Comment by George on October 22, 2012 at 8:14pm

William, I do but my panels charge 12V batteries, which power the aerator.

Comment by George on October 22, 2012 at 8:09pm

Thanks Kirsten.  I'll check it out.

 

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