If anyone is interested I have my personal Version 2 (updated to 4 baffling) 1 liter catch tank for sale. I can have it power coated whatever color you want and can modify to be a premix tank for an additional $50.

$120 + shipping (power coating included) or $170 + shipping (powder coating included)

And I have one more set of plates left create either a catch tank or premix - $320 + Shipping (powder coating included)