From a newbie
Big tank
Mature male
Mature female
Glass partition
Regular feeding for a week
Big water change after the week (try new water slightly colder than tank water)
Female tube drops
Eggs, with or without removing partition
Remove partition and sit and look pretty
Witness violent fights
Don't panic
Fight continues for a long long time, seperate again
If not, boom. Eggs.
I've had my pair for two days, got from seperate people. They have already spawned