high quality h2o
What does DO stand for in water testing
Dissolved oxygen
What form of iron can plants actually absorb?
Chelated
What would lower temperature naturally?
shade cloth or covering
What is "cycling" in a NEW aquaponics system?
establishing beneficial bacteria
What type of pump moves water through the system?
Circulation pump
results are more stable before feeding the fish
nitrate
What system is the easiest to build for beginners?
Media Bed
The area where most bacteria live and break down fish waste is the
grow bed
What is the main purpose of the sump tank?
equalize and pump water
less
Which fish species is most commonly used in aquaponics
Tilapia
The ideal temperature range for a system for warm water fish like tilapia is:
72-90 degress
What is buffering capacity
The ability to resist pH changes
What kind of plastic is best for system construction?
HDPE
Why must ammonia and nitrite levels stay low?
they can poison the fish
What pH level do most plants prefer?
5.5-6.5
Which of the systems is most likely to clog if not maintained:
NFT
How many types of bacteria are in the system
1ooo's
What part of the system needs to be cleaned the most
solids filter
What gas is removed from the water during degasification
Carbon dioxide
What do plants NEED that is not in the fish poo?
Potassium
growing plants at different heights
The bacteria that convert ammonia to nitrite are called:
Nitrosomonas
How do we increase DO
add more air stones/bubblers