A quick google and I found that bubble wand.
Personally I don't use them because they tend to take co2 out of the water, at least that is what I've read all over this site and others.
It is a good looking tank btw.
75 Gallon Planted Community Tank
40 Gallon Breeder Planted Guppy Tank
10 Gallon Planted PFR Shrimp Tank
30 Gallon non-planted Convict Cichlid Tank
30 Gallon Cube - in progress
80 Gallon Bowfront - undecided
10 Gallon - empty (no light)