Creating flow

[Telford]

Would one ever use airstones to create flow in a tank? Do airstones have any viable purpose?

[pandafishowner]

I thought airstones were just used to add oxygen to tanks? I know I used them on small hospital tanks for my FW fish just because the tanks barely fit filters.

Although I did really like the look of an airstick in the tank before.

[chevyjaxon]

airstones are very useful in a FW tank they promote the exchange of co2 and oxygen in the water im pretty sure its co2 anyways the fish in FW seem to love it

[dsaundry]

In a freshwater tank, air stones appear to be creating flow with the bubble stream they produce, but for true flow you will require a powerhead or filter jet...

[chevyjaxon]

or an AIRCOMPRESSOR hose running at 90 psi no powerhead has got anything on that, although i wouldnt do that if you truly value your fish

[likwid]

Don't use an airstone unless you want tons of salt creep.