At the aqua EXPO 2013 in Dortmund/Germany the dutchman Joep van Esch explained the bettas4all standard to a wider audiance. He developed this .<br>At the aqua EXPO 2013 in Dortmund/Germany the dutchman Joep van Esch explained the bettas4all standard to a wider audiance. He developed this standard .<br>The world of aquatics.
