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We purchased a toadstool coral about 3 weeks ago. It did fine for about 3 days and then it covered itself over with a white mucus (which I understood as part of the shedding process) probably because it was moved into a new environment. Since then (now going on 12 days), it looks like the...

Can anyone tell me what this is and whether it is good or bad?

Does anyone know if the Jenneria pustulata cowry snail is safe for a reef tank? Much thanks for your advice.

We started a new tank about 3 1/2 weeks ago. All test parameters are within normal ranges. We started getting green algae on the glass and also the sand. Previously, the stuff on the sand was brown. Coraline is beginning to grow on the live rock. Should we vacuum up the algae and scape it...

Could anyone who has this skimmer tell me what the blue sponge (packed in the reaction chamber) is for? The illustration only shows one sponge (black) that sits in the return chamber. Is the blue sponge needed? Much thanks! Granny in DE

Hi, This granny is in need of some help in setting up our 40 gal. tank so I elicit some of your expert advice. We plan to have 5-6 fish with some soft corals and live rock...not an elaborate setup but something to keep the grandkids entertained all the same. I would like your advice of what...