A Community and Forum For Aquaponic Gardeners
Helping each other to learn and grow big nutritious plants and fish to help feed the world.
Latest Activity: Apr 24
Thank you all for joining my group, I hope to do a lot with all anyone interested. Please tell me any event suggestions you would like us to do.
Started by Richard. Last reply by Liz & Dan Apr 4.
Started by Dr. George B. Brooks, Jr.. Last reply by Dr. George B. Brooks, Jr. Jan 5.
Started by Mark Yarbrough. Last reply by Tim Graber Apr 24.
David, don't get too caught up with the numbers on those charts...A mature AP system ran in the low to mid 6's should be a plants producing powerhouse. (Besides the bio-filter precludes the systems ability to function at a pH of 5 anyways)...
Damn, thats a pretty low ph, 5-5.5? I guess it would affect different plants differently cuz my peppers are producing!
Yup, that about looks the one (on the right).
@Vlad. Is the the one you are referring to?
@David That chart is generally accepted to work well, but for soil. That is the soil pH chart.
There is a different pH chart generally accepted for use in a soilless set and setting. You can probably easily fin it in 'internetland'...
Greetings Dave. Of the charts I've seen, the you found works well and is also found on page 165 of Syliva's book on aquaponics. It gives a pretty good comparison of the availability of important nutrients across pH ranges.
G'day Matt. You're almost there with your design, and you probably won't need two pumps. Also, you can keep the sump at the same level at he fish tank. Connect the fish tank and the sump with a horizontal pipe through the walls of the tanks at the height you want to keep the water in the fish tank. Pump from the sump tank and have the water return from the grow beds to the fish tank. The fish tank will then overflow in to the sump tank, maintaining a constant height. The sump tank height will fluctuate, but the fish tank height will remain the same.
Many people recommend a SLO (Solids-Lifting-Overflow) so that fish waste and debris don't collect on the bottom of the fish tank. These vary from a simple downpipe that reaches to the bottom of the fish tank (a good place to start) to complicated designs that try to capture all the waste from all corners of the tank. Check out this link for ideas.
If I was you, I'd keep it simple to start with and see how it works. Don't glue any of your connections and you can always reconfigure later.
I found this chart and what to know if its right or not?
For the geek in all of us here is my Bell Siphon test
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