Aquaponic Video Ammonia
Chad Stewart shared this link with me. Hope you enjoy
Bright Agrotech teaches us about Ammonia and Ammonium relating to the Nitrogen cycle.
They have several more “technical” type videos that I find valuable.
Notes: Ammonium NH24+ has a charge, fish can use or exclude as waste, slightly harmful to fish
Ammonia NH3 and no charge, more harmful to fish, cells in fish, plant, and other life can not regulate its movement
pH values 6-8 (6.4) on an established system