Recirculating Aquaculture System Fundamentals (Part 6 of 6)

Human nature is the one factor the farm or RAS designer cannot control; humans are by nature lazy and we take the shortest route every time.

21 Oct, 2020
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Recirculating Aquaculture System Fundamentals (Part 5 of 6)

Heating a commercial farm is still the biggest fundamental left unattended in the Highveld of RSA.

21 Oct, 2020
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Recirculating Aquaculture System Fundamentals (Part 4 of 6)

It is commonly advertised by system designers to prospective farmers that 20kg/kl is the norm.

21 Oct, 2020
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Recirculating Aquaculture System Fundamentals (Part 3 of 6)

There are two main forms of bio filters, aerobic and anaerobic

21 Oct, 2020
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Recirculating Aquaculture System Fundamentals (Part 2 of 6)

Solids represent a huge amount of waste that needs to be removed from the system as soon as possible.

21 Oct, 2020
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Recirculating Aquaculture System Fundamentals (Part 1 of 6)

There are several fundamentals that need to be followed in every aspect of life, aquaculture is no exception. The insights gained and shared in this series of articles are not from a PhD or training courses. Instead it comes from trial and error by buildi

20 Oct, 2020
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System Management

System management is an ongoing balancing act.

19 Apr, 2020
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UV Light and Ozonation

Anytime fish are cultured, they are crowded and they are stressed.

19 Apr, 2020
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Oxygen - More perspectives

Pure oxygen can simply be injected into pipes leading to the tank.

19 Apr, 2020
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Oxygenation

Oxygenation adds cost to recirculation production, but the benefit is that system production can be increased 50% or more.

19 Apr, 2020
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Basic Gas Exchange

There are a variety of ways to get air into water.

19 Apr, 2020
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Biofilters: Submerged

Submerged biofilter options are important in RAS.

19 Apr, 2020
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Biofilters: Wet

Wet biofilters have an important role to play.

19 Apr, 2020
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Biofiltration: The Basics

The oxidation of reduced nitrogen (NH3) by bacteria is a natural process known as nitrification.

19 Apr, 2020
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Solids Removal: Screens and Fractionators

Alternatives to granular media filters.

19 Apr, 2020
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Solids Removal: Granular Media

Removing solids is an important part of keeping your RAS in good shape for your fish.

19 Apr, 2020
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Solid Waste

Removal of solid waste in recirculation aquaculture is complicated by the fact that the loosely aggregated fecal material and uneaten food tend to break into small pieces in the water.

19 Apr, 2020
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Tanks

Tanks for recirculation aquaculture have been made from a variety of materials.

19 Apr, 2020
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Basic System Design

In a recirculation system, five functions must occur to provide life support for the fish.

19 Apr, 2020
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Water

Water is, of course, the most important component of any aquaculture operation.

19 Apr, 2020
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