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Old 05-12-2004, 05:38 PM   #1
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LR comes tommorrow!!

My LR comes tomm.
My question is I remeber seeing something about doing some kind of dip with the rock to get critters out of it. I want to try and separate out the "bad" (mantis shrimp, evil crabs) things before they even get to the tank but want to be able to keep the good ones. Is this possible? It's Keys Rock from LR.com.

TIA

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Old 05-12-2004, 05:43 PM   #2
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Hey I just got my rock today and it did have a ton of crabs, but I left them in there. I have been reading that you can to a fw dip or a high SG dip to get the critters to run out. BTW you will be amazed by there rock it's great.. I thought with the 80+ weather that there would be a ton of dieoff but there wasn't.. It had no bad odor
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Old 05-12-2004, 09:05 PM   #3
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Re: LR comes tommorrow!!

Quote:
Originally Posted by fireman26m
My LR comes tomm.
My question is I remeber seeing something about doing some kind of dip with the rock to get critters out of it. I want to try and separate out the "bad" (mantis shrimp, evil crabs) things before they even get to the tank but want to be able to keep the good ones. Is this possible? It's Keys Rock from LR.com.

TIA

Fireman
I received my LR from liverocks.com last week. What I did was dip the rock in high SG for about 3-4 minutes....seen many crabs and shrimp jump out. But you will still have a few critters left in the rocks. Im still seeing new gritters every day in my tank coming out at night. I found 3 crabs in my tank I didnt want to put any crabs in...But I cant seem to catch them, Ive had a crab trap set up for 3 days now...but the crabs seem to be pretty smart...........Good luck with the new tank, and Yes you will love the live rock
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Old 05-12-2004, 10:44 PM   #4
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I think the other replies covered this - I also received lr from liverocks.com a couple of weeks ago. The night before the rock arrived I prepared a 5 g tank of salt water with a bit more salt than normal. Dipped the rock in there for about 2-4 min each, giving a chance for the critters to come out..most did but definately not all. There are so many holes in the rock some just I think duck-n-cover. You'll see them sneak out later on, usually at night.

I found tons of life in the rock, starfish (I think brittle), worms, shrimp (in one case mantis, and consensus seems to be you don't want them).

The big question I had was do you have to acclimate at all...dipping the lr in a bucket of water, then throwing these inverts into the tank isn't really a slow and steady acclimation...however I have to say I don't think anything died due to that...I still see the 3 starfish at night (they hang out in holes during the day), and I've seen at least I think 2 little crabs that made it through. Could have perhaps been more life died that I don't know about.

Good luck!
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Old 05-13-2004, 12:38 AM   #5
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Any ideas on around what SG I should make the dip?
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Old 05-13-2004, 01:19 AM   #6
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Over the last month or so I have bought about 125 lbs of LR from various local places, I have been picking and choosing because of shapes I was after and have encountered pricing from$ 4.99 to $ 2.50 a pound, now this is all Haitian etc, no Fijii or Tonga at that price, but nevertheless nice pieces, I am very happy so far. All was cured, no problem there either. One store I got some "real live" rock from suggested to dip in Salt Water for 60 seconds, all he said is to make it "high", e.g. have that dial stand straight up.... I did and got some bristle worms out but I feel I could have gotten more out, had I soaked it longer.
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Old 05-13-2004, 02:32 AM   #7
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real long time

If you really want EVERYTHING out..soak it in tap water! (I'm kidding...don't anyone take that seriously) Do that and you have dead rock.

My point is that you can't have it both ways. Any kind of dip that causes enough duress to make the big critters jump off can't be any good for the little critters or stuff you can't even see. Most of the stuff on the rock you want to keep as healthy as possible and high salinity dipping can't be good for it.

Personally, I take the hitchhikers and figure out how to live with them or get them out later rather than risk harming anything on that rock that I can't see...but that is me. I'm looking for an ecosystem, not a showpiece.

If you dip..you won't get them all. If you dip long and hard enough, you might get them all, but you probably pay a price in other lost life.
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Old 05-13-2004, 08:26 AM   #8
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Point well taken Brad....I think I'll just take my chances with whatever lives on the rock stays on the rock, no dip....unless I can catch it later in the tank. I really want as a diverse tank as possible.
Thanks everyone!
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Old 05-13-2004, 02:05 PM   #9
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Before I got my first rock, I had read about doing freshwater dips, high salinity and even using soda water in place of ro water.

If you are cycling your tank and you want everything off, do a freshwater dip. Some rock is pretty fresh so it might not even cause a cycle on it own.

I actually dipped my rock in freshwater after it had been in my tank about 6 months when I moved the tank. The mantis shrimp I had and the nuisance crabs needed to go. I got every crab and the mantis off with a FW dip of about 1-2 minutes. This will kill some stuff but it is recovering fine. If the tank is cycling, stuff will die too.

BTW, all the crabs and such came from my last batch of rock that I just placed in the tank. If your tank is already cycled and you have live stock, placing rock that is shipped is always a risk. You could dip it and then cure the rock to be safe.

Depends on what you want in your tank. Nuisance crabs grow very fast IMO.
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Old 05-13-2004, 02:20 PM   #10
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Tank is still cycling and no livestock yet. Hopefully the rock will help speed along the cycle. It's got that deserted house look to it
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