airstones a must have?

[duanes]

I haven't used air stones in tanks since the 80s, but that's when I started using strong water pumps for flow, and venturi tubes to provide surface agitation.

below a venturi tube attached to the end of an inflow pump line.

 

[duanes]

I haven't used air stones in tanks since the 80s, but that's when I started using strong water pumps for flow, and venturi tubes to provide surface agitation.

below a venturi tube attached to the end of an inflow pump line.

 

[pacu mom]

I haven't used air stones in tanks since the 80s, but that's when I started using strong water pumps for flow, and venturi tubes to provide surface agitation.

below a venturi tube attached to the end of an inflow pump line.

I love venturi returns