Aquaponiksysteme · Auswahlhilfe

Comparing Aquaponics Systems

Fünf Systemarchitekturen nach Kopplung, Regelbarkeit, Betriebsaufwand und Einsatzprofil vergleichen.

Prepare system selection professionally

Which aquaponics system suits which operational goal?

The system architecture determines how closely fish farming, water treatment and crop production are hydraulically connected. It influences controllability, measurement effort, nutrient utilization, consequences of disruptions and the requirements placed on operating personnel.

The five Vida Vertical categories are a technical orientation and not a globally binding standard. It is not the name that is important, but rather the water, solids and nutrient pathway that is actually built.

Quick comparison

The five architectures at a glance

Technical comparison of the five aquaponics system architectures
system Hydraulic coupling Water transfer Controllability Technical effort Typical strength Central border
Fully coupled a common cycle continuous, with feedback low to medium comparatively low clear basic architecture Fish and plants share the same water conditions
Partially coupled common circuit with side stream adjustable bypass, with feedback medium medium Flow adjustable to plant area no complete separation of water chemistry
Coupled on demand own circulation with exchange time or measurement value dependent high medium to high Control handovers in a targeted manner Sensors and operating logic must function reliably
Completely decoupled separate fish and plant cycles directed, without direct feedback high high Optimize water conditions separately Balance transfer, replenishment and discharge quantities
Multi-circuit several independently regulated circuits via defined transfer points very high very high Treat and recover material flows in a targeted manner more interfaces, measuring points and process responsibility

Selection path

Narrow down the architecture in six steps

  1. Set operational goalsDemonstration, self-sufficiency, training, research or commercial production have different requirements for availability and documentation.
  2. Balance fish and plant requirementsTemperature, pH range, salt tolerance, nutrient requirements and production rhythm determine how much shared water supply makes sense.
  3. Check water source and make-up waterAlkalinity, salinity, unwanted ions, seasonal fluctuations and available water quantity are factors in the system decision.
  4. Realistically assess control and measurement abilityMore circuits create degrees of freedom, but require additional sensors, actuators, calibration, alarms and qualified personnel.
  5. Plan incidentsPower failures, pump stoppages, lack of oxygen, blockages, leaks and incorrect transfers must be protected for every interface.
  6. Compare mass balance and costsBalance water, feed, oxygen, solids, dissolved nutrients, supplements, energy, harvest and output together.

Mission profiles

When which system should be examined more closely

Fully coupled

Single loop

Check closer if a comprehensible basic architecture, few hydraulic interfaces and a common operating area are desired.

Clarify before making a decision: Do fish species and crop production suit the same temperature and water conditions over the long term?

Fully coupled system

Partially coupled

Controllable bypass flow

Check closer if The plant area should remain hydraulically integrated, but its flow must be temporarily reduced or adjusted.

Clarify before making a decision: What minimum flow do biofilters, fish farming and plant modules require in each operating state?

Partially coupled system

Coupled on demand

Controlled exchange

Check closer if independent circulations are required, but water or nutrients should continue to be exchanged according to a schedule or measured values.

Clarify before making a decision: Which measured values trigger a transfer and what happens in the event of sensor or valve errors?

Demand-driven system

Completely decoupled

Directed transfer

Check closer if Fish and plant cycles should be regulated separately and the conditions in the plant area should be adjusted independently.

Clarify before making a decision: Are transfer water and nutrients contained sufficient for the culture goal or are supplements required?

Completely decoupled system

Multi-circuit

Multi-loop

Check closer if additional treatment, mineralization or recovery should be carried out as a separate process.

Clarify before making a decision: Is there clear process responsibility for each circuit, including measurement, maintenance and emergency operation?

Multi-circuit system

Planning basis

Criteria that must be documented before selection

Biological load

Fish biomass, maximum feed rate, feed composition, temperature and expected solids and TAN load.

Crop production

Crops, acreage, growth stages, target yield, water intake, nutrient profile and seasonal production plan.

Water quality

pH, temperature, oxygen, TAN, nitrite, nitrate, alkalinity, conductivity and relevant individual ions per circuit.

Hydraulics

Volume, circulation rate, residence times, delivery heads, pipe dimensions, bypass quantities and safe overflow routes.

Operational safety

Redundancy, emergency ventilation, alarming, spare parts, cleanability and defined response to power, pump or sensor errors.

Business organization

Qualification, daily controls, calibration intervals, maintenance windows, documentation and achievable response times.

Evaluate conflicting goals openly

More controllability does not automatically mean a better system

Easier pairing

  • fewer transfer points
  • Easier to understand hydraulics
  • lower control effort

Stronger separation

  • more independent process conditions
  • more targeted water and nutrient transfers
  • higher requirements for measurement and operation

The appropriate architecture is the one whose biological and technical requirements can be reliably mastered in real operation.

Document preliminary decision

Minimum information for a reliable system comparison

  • Location, climate, protective structure and available usable space
  • Fish species, target biomass, maximum daily feed rate and harvest planning
  • Plant species, production area, crop sequence and target yields
  • Analysis of water source and available amount of make-up water
  • desired circuits, transfer points and return routes
  • Measuring, control, alarm and emergency supply concept
  • Personnel, maintenance time, spare parts strategy and operating cost framework
  • legal requirements for animal welfare, water, food and occupational safety

Technical classification

Further basics

  1. Palm, H.W. et al. (2018): Towards commercial aquaponics: a review of systems, designs, scales and nomenclature. Aquaculture International.
  2. Goddek, S. et al. (Ed.) (2019): Aquaponics Food Production Systems. Springer.
  3. Somerville, C. et al. (2014): Small-scale aquaponic food production. FAO Fisheries and Aquaculture Technical Paper 589.