hi can add mi to the sembawang grc hobbist list???
newbie here... juz start cycling my new 2ft tank...
hope to get some pointers from the seniors here...
btw mi staying at yishun ring rd....
can someone help id this scallop like thingy on the LR???
it has a shell like a scallop but the shell had alot of thorns n it's tightly attached to the LR it's on...
can i juz left it there?? will it cause any harm to corals or fishes??