I had a pretty good bubble algae outbreak about 4 months ago.
Removed most of it by hand. Then added some Emerald crabs. I now very rarely see and bubble algae in my tank. Emerald crabs are the only crabs that will eat Valonia (bubble algae) that I know of. I have actually witnessed them eating it so I know they work in most cases..
Try to remove the bubbles at the base, large bubbles will release spores. Mechanical filtration (wet/dry, protein skimmer) may help to remove the spores from the water if in fact you do break some.
HTH........MCF
Emerald crab