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Is there any limiting factor as to why the pipes cannot be above the ground?

I agree, it would be much more efficient if the outlet was at or just below the water level.

Hello,

The filters I am talking about are specifically from AST Filters. They are bubble bead filters, meaning they run using air to backwash the media and discharge sludge. Some models discharge sludge automatically, all models backwash automatically using air as the trigger. Than can be run on ...

https://www.engineeringtoolbox.com/pump ... d_663.html

Here's some data about head pressure. You can match the output of specific linear pumps to the requirements you need.

Hello,

The filters I am talking about are specifically from AST Filters. They are bubble bead filters, meaning they run using air to backwash the media and discharge sludge. Some models discharge sludge automatically, all models backwash automatically using air as the trigger. Than can be run on ...

I would like to bring awareness to a filtration method that I have not seen discussed on the page: Bubble Bead Filtration.

Basically this is a bead media filter, pneumatically run with an air pump that does solids filtration as well as bio-filtration all in one. I have seen some of the builds ...

It appears that the vast majority of the pond construction I see has filtration based on several baffles, sieves and the drum (drums are great). There seems to be a large construction component here as well as cost. Has anyone looked into bubble bead filtration?

I am planning on using a system ...

http://api.ning.com/files/5sXTPNNd5jk1j ... lation.xls

This is a imperial unit calculator that can be converted to metric.

I have found great deals on Ebay for used air pumps.

Remember to factor that your plants are up taking oxygen as well. This will reduce the dissolved oxygen (DO) levels in your system. I recommend you aerate the plant beds to ensure that oxygen levels do not drop. You can honestly never have enough DO in an aquaponic system. You will not only promote ...

Based an air lift calculator I found, four (4) 8" (200mm +/-) air lifts, 6' deep, with 0.01' of head (basically no head) running at 4.02 ft3 (114 L/m) @ 2.6 psi (17.93 Kpa) each would provide the flow you specified.

Your system would need to be completely flat, no head, no lift, no elevation change ...

I found this:

http://api.ning.com/files/5sXTPNNd5jk1j4oiNb*g-NmoSj78xSDLFH3yn-GInB*e8FSzGAYbkDau37s2zAqopSzFjX5gsTN5r0Ikrmgv6-GIcY9xsWi3/airlift_basic_calculation.xls

I didn't verify the calculation methods, but based on the parameters you outlined:

A 4" (100 mm) air lift 2M high would require ...

Bargain guy here.

Just acquired a MEDO LA-120 Linear Air pump on Ebay. Plan for this is aeration of fish tanks and grow beds for my upcoming 200 gallon aquaponic build. Parts are coming together. Just need to start building. I will be using and Airlift in the mineralization tank in the system. I ...

Generally speaking:

The linear air pump, which for most is the pump of choice for volume, efficiency and cost will range between 3 (40 lpm) and 5 PSI (200 lpm). Prices range anywhere between $200 USD and $800 USD. (What I can find them for anyway via web search here in the USA. I found a used 40 ...

There are other air lift methods that will achieve higher lifts, from 0.5 to 2.0 feet (15 cm to 65 cm) with flow rates up to 300 gph (1200 lph) using 40lph at 3psi pumps (I know cause I've done it...) but I haven't attempted to lift water that high.


I would assume you'd need a very robust air ...

Thank you.

I find the topic to be very informative. I'm just adding my ideas to this point. I have not put a practical application to work as of yet.