Actually after sleeping on it I think an external instillation might be better suited for my DIY stand still in drawing stages.
So the recirc is sounding better, plus it just looks cool

and you can see the ever mesmerizing bubbles better that help me zone out and ponder how to fix the worlds problems

.
So Covey if you have not already PM 90_Berlin "What he said"
One less pump would be sweet.