Cumulative Aquaponics Semester Exam- B Format

Process where heterotrophic bacteria convert solid fish waste into ammonia and other essential elements.

• Nitrification
• Mineralization

What should be the levels of dissolved oxygen in your aquaponics system? (PPM or saturation %)

• >80% saturation
• ≥6.0 PPM (Parts Per Million)
• Both are correct

What is the ideal temperature for your aquaponics system?

• 80-95°F
• 65-75°F

What should be done when nitrate levels are too low?

• feed fish more
• feed fish less

What should be the amount of nitrates in your aquaponics system?

• 200-250 PPM (Parts Per Million)
• 40-80 PPM (Parts Per Million)

What should you be looking for when observing plants?

• Overall Plant Health.
• Only Signs of Stress or Wilting.

What does D.O mean?

• Distant Osilation
• Dissolved Oxygen

What is NO3?

• Ammonia
• Nitrate

What can cause an entire tank of fish to die unexpectedly?- Hint* They will all cause death, which will cause it faster?

• Not enough oxygen.
• Not enough food.

Define Contaminants

• A substance added to soil or plants to promote growth by supplying essential nutrients.
• Substances that make something impure or unsuitable by introducing undesirable elements.