The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
red bubble looks to be red grape macro algae most herbivore's will enjoy a tasty snack
grows fast under intense light slower under normal light and most likely need to be trimmed back from time to time
grows best mid level of the tank http://marineplantbook.com/marinebookbotryo.htm
$10. should have gotten you a piece 10 X the size you got
but don't worry once it grows you'll never be disappointed it branches out into a tree like plant
and you'll enjoy seeing your fish enjoying a healthy snack as well
as for the empty shell that should have been a freebie
be careful some local shops look forward to take advantage of a new salty
but over all you didn't do bad