I just set up my tank last week, a 28g JBJ HQI Nano Cube. I haven't seen my emerald crab for 5 days now and I am worried it's dead. However, I can't find the body and the parameters are fine, i.e. no ammonia, nitirite, or nitrate. I also live in a loft with LOTS of sun and I have a ton of brown algae already. I have to move the tank to a different spot, but what in the meantime will eat all of this brown algae? I have 10 snails, 10 hermit crabs, and I hope and emerald crab. All of them are very small except for the emerald. Should I get more? I really like the emerald crabs. Thanks for the help.
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Should I be concerned?
- Thread starter Andy V
- Start date
How are the snails and hermit crabs doing? If they are fine then chances are the emerald crab is ok too. He might be hiding somewhere unless you moved some rock and accidentally crushed it. (cruel joke) 
BTW 1 week is a bit short to complete nitrogen cycle IMO. Did you get the rock live or uncured?
What is your temperature?
BTW 1 week is a bit short to complete nitrogen cycle IMO. Did you get the rock live or uncured?
What is your temperature?
Rephrase
What I should have said is that I just put inhabitants in last week. The tank is completely cycled. The snails and hermits all seem to be doing fine, although they are small and if some go missing, I probably would not see them. There is only 30 lbs of live rock being a small nano, and there is plenty of places to hide, but I would have figured I would have seen him for at least 2 seconds at least in 5 days. Then again, I haven't been home when the lights were on for the last 2 days either. Should I get more cleanup crew for the algae?
What I should have said is that I just put inhabitants in last week. The tank is completely cycled. The snails and hermits all seem to be doing fine, although they are small and if some go missing, I probably would not see them. There is only 30 lbs of live rock being a small nano, and there is plenty of places to hide, but I would have figured I would have seen him for at least 2 seconds at least in 5 days. Then again, I haven't been home when the lights were on for the last 2 days either. Should I get more cleanup crew for the algae?
Mr.HaHa
Non-member
im not sure how necessary a chiller is for that nano. 78-79 is a great temperature to shoot for. my tank as well as im sure many other members' tanks hit the 82 mark during the day.
so when you say you setup the tank a week ago...do you mean you stocked it with animals? or is that when you added the rock.sand and water?
so when you say you setup the tank a week ago...do you mean you stocked it with animals? or is that when you added the rock.sand and water?
Rock, sand and water went in 4 weeks ago. Creatures went in last weekend. The heater isn't on...it's the new JBJ HQI 28g nano with MH in the hood. The MH heats up the tank. Feedback I have gotten from other owners is that this will go to 87 in the summer without a chiller. I am keeping my house at 65 to keep the temp where it is now. I usually keep the house at 69, but the water was going to 82. In the summer, I have central air, but I keep it at 75, so the tank is going to get too hot in the summer which is why I got the chiller. I have also read that corals do best at 75, although 78-80 will not hurt them.
The other thing is not that it gets to 82 that concerns me, it's the fluctuation. So I keep the house at 69 when home, but when I leave I put it at 65 so the tank fluctuates 4 degrees in a day if I do that. I wanted the chiller more for stability of the temp than anything else.
Troubleman
Non-member
i hardly saw my emeralds (5 in a 90g) during the day or lights on, mostly saw them at night....
bob
bob
NateHanson
Non-member
You could certainly keep 2 in that tank. More than that could be fine too - kinda depends on the tank, how much junk there is to eat, and who else is competing for it. They're five bucks each. If you like them I'd toss a few in and see how they do.
