Originally Posted by Basement Bettas
Spirulin has color enhancer astaxin [sp] in it so tends to make red and orange look better. With the yellow.. if form is good then start there and breed for better color. Might try a cross to orange or a cambodian based red to get brighter color. It has been a while since I read how you get the yellows. Will see if I can dig up some more info for you.
I see. Thank you for tell me about Spirulin.
I didn't find nice Yello now...
Yellow cross to orange or a cambodian based red ???
It isn't not Yellow × Yellow ?
You are so kind, I am looking forward to you again.
Thank you so much !