Hello and Help


New Fish
Jul 25, 2017
According to Vaastu/Feng Sui are we supposed to keep 9 Gold Fish and 1 Black Fish or 8 Gold Fish and 1 Black Fish?
1. 2 months ago I bought an Aquarium 20 g . I did put 8 fish with in a week all died
2 Last month I got bigger tank 37 g. I have 6 fishes 5 gold and 1 black.
according to Vaastu/Feng Sui I have to put 9 total.
I don't know how big the tank can I get to put all 9.
I do keep tank clean and change the water once a wk.
its have been 3wks now.
Please give me some information .
Best Regards