Rainbow Fish - Black Extract ?

[arulnathan]

Hi all,

Has anybody used Black Extract in their Rainbow only tank....product like Tetra Black Extract or "Indian Almond Leaves"

http/www.aqualandpetsplus.com/Betta,%20I...nd%20Leaves.htm

Thanks!
Nathan

 

[Lateral Line]

Rainbow Fish are not black water dwellers. Most are better off in clean slightly alkali conditions, certainly not the acidic conditions of a blackwater regime.