I always put the bowls in on the fifth day after pairing,it seems to liven the pair up again but know a lot who have it in from day one,don't know if it makes much difference.
Bert Braspenning always has a pot of salt in front of his birds,if you are giving black mins/salt etc. on a regular basis the bird should not gorge themselves on them.atb.
While in Blackpool,noticed some of the prices for products were much higher than locally.Seen Naturaline £5-50,I pay £4-20 and nestfelts £5-00,£2-85 here.