New Biocube issues

azpb

New Member
Hey all,
I just started up a new tank about a month ago. It started as a 14 gallon biocube with a pair of clownfish, 3 hermit crabs, 3 snails and a porcelain crab and about 20 lbs of cured live rock, zoas , star polyps and 2 mushrooms. I have checked all the levels several times and measured the salinity and kept the tank at about 75-78 degrees, everything seems to be in order.
The Star polyps never opened up and died within 3 days of being in the tank, checked all levels were fine. The mushrooms have opened up and flourished but the zoanthids closed up after about a week, shriveled a little and have now opened back up. There was a lime green algae almost looking stuff covering all my rocks and it has now turned mostly purple. I believe that it is coraline since it was turning pink and purple. NOW there is red slime all over the tank and it's covering up the purple coraline. I'm using a red slime remover to hopefully get rid of that...
The clownfish have been fine but my porcelain crab just died today. He was hiding for about a week. Hanging out in the back of the tank behind some rocks and o only saw him two or three times before he died. I have no idea what killed him. I checked the levels again and everything is in order. None of the hermit crabs or clownfish ever bothered him so I'm just worried that I'm missing something. I used about 15 different API tests and I have tested the water about once a week. The only thing that was out of order at first was the salinity but I got that fixed pretty quickly. I just added the first dose of chemiclean red slime remover to the tank today. I'm hoping that that will work. I also noticed that there us a fluorescent fan worm looking thing growing off of one of my mushrooms.... not too sure what it is or if it is harmful. I don't want anyone else to die.
Does anyone have any ideas how to help my crabs? Any help is appreciated! Pictures of tank are attached!!
Thanks!!!
 

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pegasus

Well-Known Member
Porcelain crabs are filter feeders. They feed on plankton, and there probably wasn't enough in your new tank for it to survive on.

Did you slow acclimate the corals to your tank water before adding them to the tank? Corals (just like fish) have to s-l-o-w-l-y be acclimated to your tank water, as temp, pH, salinity, etc., are rarely ever the same as the shipping water. Sudden changes in water chemistry can kill livestock...

If you are using Chemi-Clean, make sure there is plenty of aeration. Even if you have a skimmer (you should if you're dosing Chemi-Clean), you should also use a bubble stone or bubble wand to oxygenate the water.

PS: API test kits are at the bottom of the quality ladder. If they were part of a totem pole, they'd be the part under the ground. In other words... they're junk. Notoriously inaccurate, and get even worse when they get aged.
 
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