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Old 03-07-2011, 07:17 PM   #1
sdiakis
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cycling and clean up crew question

My tank has been cycling now for about 4 weeks. Tested the water this morning and the ammonia was 0, nitites <.03, and the nitrates were 0. the only change in parameters from the last testing a couple of days ago was the nitrates, they dropped from 5 to 0. My question is this: am I through the cycle?
I am asking because I am thinking of buying a clean up crew. I have tufts of green hair algae sprouting everywhere (in the sand bed, on the rock, and even on the glass.
What do you all think??

Tank is 29 gallon with 2 inche live sand bed and 42lbs of live rock.
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Old 03-07-2011, 07:25 PM   #2
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If you want to see how sustainable your tank is for a CUC i suggest buying a few snails/hermits then wait a few days to see how they do. If none die, your through ur nitrogen cycle and can start adding more CUC.
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Old 03-07-2011, 07:52 PM   #3
Crazy_About_Salt
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NO! Nitrite NEEDS to be 0!! it is very toxic, and will kill inverts and fish!!
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Old 03-07-2011, 07:55 PM   #4
Brengun
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Is there a post anywhere which can give beginners an idea of how many cleanup crew is an appropriate number for certain tanks and which ones tend to be the most efficient?
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Old 03-07-2011, 07:56 PM   #5
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.03ppm is pretty much 0. thats within the error of the test.
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Old 03-07-2011, 07:57 PM   #6
Silentdea
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I think your parameters must be stable to go any futher (right?)
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Old 03-07-2011, 07:57 PM   #7
Rustl3r
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Bren,

Give us your tank parameters and we can help you out. A CUC has to be customized to each tanks needs.
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Old 03-07-2011, 08:31 PM   #8
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anything above 0 is unacceptable in my book. you dont want to start off on the wrong foot. do a WC to bring them down, once they read 0, you are good.

I would say that max of 10 hermits, a few turbos, narcissus snails, etc... you have many options..
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Old 03-07-2011, 10:42 PM   #9
sdiakis
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Crazy about salt,
I've heard that doing a water change before your certain the cycle is finished will set back the cycling time. Is there truth to this information??
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Old 03-07-2011, 10:44 PM   #10
Crazy_About_Salt
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Quote:
Originally Posted by sdiakis View Post
Crazy about salt,
I've heard that doing a water change before your certain the cycle is finished will set back the cycling time. Is there truth to this information??
after 4 weeks, you are fine to do a WC. you are nearly there, you just need a WC to give it that extra push to get rid of all the nitrite...
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Old 03-07-2011, 10:51 PM   #11
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Quote:
Originally Posted by Crazy_About_Salt View Post
after 4 weeks, you are fine to do a WC. you are nearly there, you just need a WC to give it that extra push to get rid of all the nitrite...
+1
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Old 03-07-2011, 11:42 PM   #12
NanoDuster
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Turbo snails are the best snails ever. Just so you know. Hermits are also the spawn of hell, I hate when my little turbos fall over and a find a hermit eatting it up

But.. I guess they have their place in the tank :P I've only lost two turbos this way, but I keep an active watch now
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Old 03-08-2011, 12:50 AM   #13
Brengun
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Quote:
Originally Posted by Rustl3r View Post
Bren,

Give us your tank parameters and we can help you out. A CUC has to be customized to each tanks needs.
Its already in tank specs. 38 ppl viewed it but no one bothered to comment.
My first post too it was. I will put it in my sig, then its easier to find.
http://www.thereeftank.com/forums/f7...-a-163480.html
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Old 03-08-2011, 09:38 AM   #14
sdiakis
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Ran tests on the water again today. Specs are still the same. I can tell you that the snails that rode in on the rock are alive and kicking. I will do a partial water change today when I get home.
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Old 03-08-2011, 02:52 PM   #15
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CUC will depend on your long term plans for tanks. For example, if you want engineering gobies, hawkfish, etc, then you may want to avoid decorative shrimp. Other fish will eat snails. Each member of a CUC serves a purpose. Personally, wouldn't put a turbo in a 29g. They can grow quite large and may starve in a 29g. you have plenty of LR, but not sure if the turbo can get to all of it, etc. Turbos and Astreas are native to the flats, not to the reefs. Therefore, they can't flip themselves over so it has to be done manually. Trochus snails and cerith snails can flip themselves over, but are harder to find. nassarius snails feed on decaying meat matter, not algae so will help with any left over meaty foods on the sand bed. Emerald Crabs will eat algae, but also opportunistic enough to eat some meaty foods. Many other crabs will eat anything they can get their grubby little claws on (including snails, corals, and fish).
Two suggestions for you. 1. Plan what you want in the tank for fish and corals and post that list on here. We can assist with what is compatible with what and where you may need to make some tough choices. 2. DON'T order a CUC package on-line. The ones I have seen are way oversized. They are added, eat everything available and then starve to death. You are better off adding slowly until an equilibruim is reached. It means the tank may look bad for a while, but it will be better off in the long run.
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