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Old 03-22-2009, 03:29 AM   #1
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dog gone urchin!!

IM fairly new withthe reef set up, its been up and running for about a monthand a half and things are ok, (now) but this is my question/problem. My girl went to the LFS and picked up 2 urchins, 1 pincusion and pencil,(already had a small cleaner crew) i wasnt too sure about adding them but we already had them in the house for one, the tank is empty(minus the crew) so i went ahead and added them...I had no idea urchins ate that much i knew they would eat but not like that.. in about a week they basically stripped all my algae off my LR and glass my snails died well the pencil urchin got 2 out of the 4 and i think the other two just starved to death due to the fact that they couldnt keep up with the urchins... welli have more LR and so storbought plants and algae but should I just get rid of the urchins all together or will they be ok once the tanks is more seasoned? 47gal high,35 lbs of lr 2olbs of base rock
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Old 03-22-2009, 01:53 PM   #2
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You`ll probably need to put some seaweed sheets in there for them to eat. I`m thinking your tank is too small for two of them. One will do.
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Old 03-22-2009, 04:42 PM   #3
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I have 1 pencil urchin in my 55 gallon. I cant think of having any more! It eats most of the algae pretty well and hasnt caused many problems. The only issue I have had with it is that it seems to ahve a 'sense of humor' in that it loved to knock over one little peice of rock with the mushroom frag on it. over and over and over.. seemed just for fun lol.. until I finally secured the piece of rock.. ha!! heh.. but yes, I think one will do just fine. Be careful with the pincushion, they are sharp!
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Old 03-22-2009, 05:39 PM   #4
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Are urchins reef safe? And are they really that good at cleaning up algae?
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Old 03-22-2009, 10:30 PM   #5
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I`ve never had one but from what I hear they do a good job with algea. I`ve heard that they will go after coralline also. They are reef safe as far as they wont mess with your corals.
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Old 03-22-2009, 11:21 PM   #6
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I have a pencil and pincushion in my 55. They are both thriving. I waited about a year after I set up the tank to add them. How old is your tank?
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Old 03-22-2009, 11:38 PM   #7
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I picked up a pumpkin urchin about 2 weeks ago for my refugium. After clearing about one square foot of aquarium glass it found the plants and has been reeling them in by the foot. dog gone urchin!! Today it's back on the glass probably looking for more plants.
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Old 03-23-2009, 01:51 AM   #8
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yea my tank is 47gal but its a tall tank and its only been up for about 2 months to answer the ? above, YES they do a great job on algea...now the pencil urchin..he eats everything.. i found him the other day smashing one of my snails
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Old 03-23-2009, 11:30 AM   #9
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Hmmm, I have quite a few snails and have never seen mine eat one, but my snails are a little larger. You do have to be careful, the pencil will wedge and dislodge rocks.
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Old 03-25-2009, 11:38 AM   #10
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Yep, pencils LOVE to push rocks, Thats my ony dislike about mine. Otherwise, great algae eater
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