Note that there is a new "true violet" LED here:
http://www.nanotuners.com/product_info.php?products_id=694
I am tempted.
But it is unclear if the missing violet is truly that, or really just tons of royal blue + missing red fooling the eye.
I think one big problem has to do with small tanks.
You simply cannot have that many LEDs over them, and cost of fancy controls in relation to LEDs would be huge.
http://www.nanotuners.com/product_info.php?products_id=694
I am tempted.
But it is unclear if the missing violet is truly that, or really just tons of royal blue + missing red fooling the eye.
I think one big problem has to do with small tanks.
You simply cannot have that many LEDs over them, and cost of fancy controls in relation to LEDs would be huge.