What is this?


I was snooping around my tank this evening when the lights were off and noticed several little "clear" bubble attached to a couple of live rocks. I have no idea what they are, can someone help identify? I have attached a photo of one of the bigger ones, my camera is not the best.


can you get a bigger pic? is it out during the day or only night? your description sounds like bubble algae, but thats out during the day too and its a clearish green color. could just be a bubble on the rock. bubbles will usually stick to rocks for a little while.


Just in case it is bubble alge start a siphon , as you pop it allow the siphon to pull anything that may be in that bubble out of the tank! Better safe then sorry