I have the ario with the red light, and the blue light one(used to have the tank in my room and it looked like moonlight, really smart when its really dark). Having worked in a fish place up until about 4 months ago, I've seen all the gadgets and tricks
I know about the angels also, I was the one giving advice

They hadn't actually tried to chase anyone - unfortunately I have lost one(the more expensive one from the other place, not maidenhead, they are all still alive even the rosys after being attacked!)
The catfish will come out at feeding time to grab the tons of catfish pellets I'm having to put in their for him and the cuckoo's and plec(with algae wafers!) The parrots like to eat the catfish food to!
My mum was just panicking because my fish were fighting(shes in the room where they are) I just said "yeh thats what parrots do, they'll sort it out!" they have 5 mins of tag and then settle down!
*Heidi*
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Currently sharing a home with: 1 GSD - Sabre, 1 Cat - Tiger, 7 Rabbits - Rascal(lop) Gypsy, Marley(netherlands) Mclaren(new zealand white) Darwin, Kimba and Jana (frenchies) , 4 Guinea Pigs - Ben, Sidney, Luna and Roma, and 2 fish tanks.
R.I.P Hope my gorgeous Jumper Wearing Bunny and Mercedes, my beautiful girl. You are both missed so much. R.I.P Sullivan x x