Happy to finally join! I am a new salt water hobbyist who like many have been having some difficulty with my new tank. I have a 38 with only a star fish and several crabs and snails. It was a previously established tank I purchased but since then all my fish have died except for the aforementioned invertebrates. Had a HOB skimmer not happy with so now i am switching to a sump filtration. Just currently trying to purchases all bits and pieces to get that going. If anyone has any advice or tips please share. Extremely motivated and would love to learn from you guys. Thank you!