How Many Discus In A 300 Liter Tank

[australia]

how many discus could i fit into 300 liters? i have heard 40 liters per Discus. is this correct?

 

[Pleccy]

Following the 40 litres per fish rule (although I prefer 50 litres per fish) you can in theory have 6-8 discus.

 

[australia]

thanks mate