What is the difference between potassium polyacrylate and sodium polyacrylate?
potassium polyacrylate: water retaining agent for plants
sodium polyacrylate: absorbent material of diaper, sanitary napkins, etc.
Process of absorbing
potassium polyacrylate: white powder => transparent water gel
sodium polyacrylate: white powder => white water gel => transparent water gel
potassium polyacrylate: more than two weeks
sodium polyacrylate: in one week
potassium polyacrylate: K+, carbon dioxide, water, etc.
sodium polyacrylate: Na+, carbon dioxide, water, etc.
potassium polyacrylate: high
sodium polyacrylate: low
It’s unwise to use Sodium polyacrylate as water retaining agent. It’s no working and would cause salinization of soil.