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Old 01-10-2005, 04:06 PM   #1
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When buying, how do you tell cured from uncured rock?

If I'm buying LR, how can I tell if it's cured or not?

Thanks again all. Been VERY helpful.
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Old 01-10-2005, 04:12 PM   #2
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Buying locally? When in doubt, take the rock out of the tank and smell it. Uncured rock smells bad, no way around it. Even if you have never smelled it before in your life, you can tell less than 5 seconds, it is just one of those smells...
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Old 01-10-2005, 04:53 PM   #3
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Buying from a local aquarist in the Recycler (free "sell it" paper in the So-Cal area).
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Old 01-10-2005, 05:05 PM   #4
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OK, now this is very interesting to me. I purchased 35 pounds of "cured" live rock on ebay. The only reason we went through ebay instead of lr.com is this guy was local and we drove over to get it, which saved in the shipping.

Anyway, it was advertised as cured. (The guy has tons of good feedback on his LR). It stunk to high hell, and still does. It's been 3 weeks. Does that smell eventually go away? (You can only smell it when you open the glass top). So, this was not cured, huh? Did I get ripped off? Paid $120 for 35 pounds.

What is the difference between cured and uncured. No hitchhikers that we ever saw.

DJ
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Old 01-10-2005, 08:17 PM   #5
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Rock purchased online will be in effect uncured when it arrives to your door no mater what status it was in prior to the shipping. This is because even the best packing methods will result in some level of dieoff during transport. This dieoff may be very minimal but there will be some.

DJ, do you have ammonia or nitrite in the tank with this rock? Uncured rock will produce ammonia and nitrite. If your tank does not have ammonia or nitrite then your bio filter is able to remove the ammonia as the rock is producing it. Or
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Old 01-10-2005, 10:26 PM   #6
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We cycled our new tank with this LR in it (and a cocktail shrimp), so we went through the normal nitrite and amonia spike. I don't know if it was from the LR or the shrimp.

We picked it up directly from the guy and it was in our tank within the hour.

DJ
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Diatom Filter
Turbo Twist UV

2 Percula Clowns, Diamond Golby, Flame Angel, Royal Gramma, Lawnmower Blenny, PPmint shrimp, 3 emerald crabs and a huge cleaning crew (snails and crabs)
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Old 01-10-2005, 10:42 PM   #7
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Quote:
You can only smell it when you open the glass top
Open the top to get some gas exchange in there.
Do you have any powerheads running to circulate the water? Yuo want toget a good flow around the rock.
It shouldn't be much longer till the cycle peaks.
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Old 01-11-2005, 09:58 AM   #8
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We have 2 MaxiJet 1200's going around the clock.

The tank has finished cycling already. We have a cleaning crew and 2 clowns in there and everyone is doing well. I was just wondering why the rock smelled if it was supposed to be cured when I bought it.

DJ
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Aqua C Remora Protein Skimmer
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30" 2x65w Coralife Lunar Aqualights
Diatom Filter
Turbo Twist UV

2 Percula Clowns, Diamond Golby, Flame Angel, Royal Gramma, Lawnmower Blenny, PPmint shrimp, 3 emerald crabs and a huge cleaning crew (snails and crabs)
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Old 01-11-2005, 09:21 PM   #9
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The tank is done cycling in 3 weeks and you put fish in there, yet the tank still stinks?

I would continue testing for Ammonia, nitrites and nitrates and keep an eye on the pH too. Just to be sure the cycle has completed.

I would also open or remove the tops and run charcoal through the system to help remove the odor.
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Old 01-11-2005, 10:28 PM   #10
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If it stinks, its not done cycling IMO. Run carbon and do weekly water changes to remove the smell.

Leaving the top open does not help, carbon does.
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2x Sunburst Platys (2M, 2F) // 3x Neon Tetras (?) // 2x Cherry Barbs (1M, 1F) // 2x YoYo Loaches (?) // 1x Bushy Nose Pleco (M) // 1x Clown Pleco (?) //

*15H marine*
-30# Live Rock
-Mixed Snails (Nassarius // Cerith // Astrea // Black Turbo // Mexican Turbo)
-8x Blue Leg Hermit Crabs // 1x Banded Serpent Star // 1x Cleaner Shrimp
-1x Royal Gramma // 1x Percula Clownfish
-2x Mushroom Leather // Metallic Green Star Polyps // Pulsing Xenia // Striped Xenia // Blue Mushroom
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