What does cyanurates mean in practice?
They create an equilibrium with stabilized chlorine, releasing its small active part depending on the pH and CYA concentration.
When does it matter?
They build up with regular use of dichlor or trichlor, even when the water is clear.
Which solutions are related to it?
The balance of the preparations used is kept, the stabilizer is periodically tested and switched to unstabilized chlorine when the level is high.