Is this quality fiji live rock?
- Thread starter moneylaw
- Start date
seasalt101
Active Member
it looks good how much a lb.?...tobin
1journeyman
Active Member
How old is it?
As rock sits in a tank it loses biodiversity. While it will serve as a good bio filter, for more diversity new rock is better.
As rock sits in a tank it loses biodiversity. While it will serve as a good bio filter, for more diversity new rock is better.
moneylaw
Member
Originally Posted by 1journeyman
How old is it?
As rock sits in a tank it loses biodiversity. While it will serve as a good bio filter, for more diversity new rock is better.
Thanks for the knowledge. But I am a bit confused. How is it better than if I order new LR from online store since there will be significant die off during shipping. so there won't be much life forms left in the rock, so isn't it better if the LR been in the established tank for long time? could you elaborate on what you meant by losing biodiversity? Thanks.
How old is it?
As rock sits in a tank it loses biodiversity. While it will serve as a good bio filter, for more diversity new rock is better.
Thanks for the knowledge. But I am a bit confused. How is it better than if I order new LR from online store since there will be significant die off during shipping. so there won't be much life forms left in the rock, so isn't it better if the LR been in the established tank for long time? could you elaborate on what you meant by losing biodiversity? Thanks.
reefkprz
Active Member
say you start with 100 different forms of life pre shipping, they got the rock shipped in 40% died off that left the rock with 60 different forms of life, after years of being in a tank you lose another 20% to competition and biodomination, and parameter swings, if you order the rock yourself you get the full 60% insted of only 40%.
coraline just signifies that the person had good calcium, I know people that can grow coraline but kill everything else they put in their tank, I wouldnt want rock from them because while it has good coraline it has minimal diversity of life on it.
coraline just signifies that the person had good calcium, I know people that can grow coraline but kill everything else they put in their tank, I wouldnt want rock from them because while it has good coraline it has minimal diversity of life on it.
earlybird
Active Member
Originally Posted by reefkprZ
say you start with 100 different forms of life pre shipping, they got the rock shipped in 40% died off that left the rock with 60 different forms of life, after years of being in a tank you lose another 20% to competition and biodomination, and parameter swings, if you order the rock yourself you get the full 60% insted of only 40%.
coraline just signifies that the person had good calcium, I know people that can grow coraline but kill everything else they put in their tank, I wouldnt want rock from them because while it has good coraline it has minimal diversity of life on it.
To add to this it is very possible that your system doesn't match up and all that coraline could bleech or die off and then take a very long time to grow back. I'd order rock too.
say you start with 100 different forms of life pre shipping, they got the rock shipped in 40% died off that left the rock with 60 different forms of life, after years of being in a tank you lose another 20% to competition and biodomination, and parameter swings, if you order the rock yourself you get the full 60% insted of only 40%.
coraline just signifies that the person had good calcium, I know people that can grow coraline but kill everything else they put in their tank, I wouldnt want rock from them because while it has good coraline it has minimal diversity of life on it.
To add to this it is very possible that your system doesn't match up and all that coraline could bleech or die off and then take a very long time to grow back. I'd order rock too.
moneylaw
Member
Originally Posted by reefkprZ
say you start with 100 different forms of life pre shipping, they got the rock shipped in 40% died off that left the rock with 60 different forms of life, after years of being in a tank you lose another 20% to competition and biodomination, and parameter swings, if you order the rock yourself you get the full 60% insted of only 40%.
coraline just signifies that the person had good calcium, I know people that can grow coraline but kill everything else they put in their tank, I wouldnt want rock from them because while it has good coraline it has minimal diversity of life on it.
Thank you for sharing the info. But didn't those life forms repopulate over time? I mean let say I bought just two rocks and during shipping, 1 to 40 life form die in rock 1, and 41 to 80 life forms die in rock 2. So now I still have 100 % of the species in those two rocks. over time in an established aquarium, wouldn't those life forms reproduces?
say you start with 100 different forms of life pre shipping, they got the rock shipped in 40% died off that left the rock with 60 different forms of life, after years of being in a tank you lose another 20% to competition and biodomination, and parameter swings, if you order the rock yourself you get the full 60% insted of only 40%.
coraline just signifies that the person had good calcium, I know people that can grow coraline but kill everything else they put in their tank, I wouldnt want rock from them because while it has good coraline it has minimal diversity of life on it.
Thank you for sharing the info. But didn't those life forms repopulate over time? I mean let say I bought just two rocks and during shipping, 1 to 40 life form die in rock 1, and 41 to 80 life forms die in rock 2. So now I still have 100 % of the species in those two rocks. over time in an established aquarium, wouldn't those life forms reproduces?
moneylaw
Member
Originally Posted by earlybird
To add to this it is very possible that your system doesn't match up and all that coraline could bleech or die off and then take a very long time to grow back. I'd order rock too.
Thanks. where do u suggest I order rock from? I know people recommend ordering rocks from this site, I just want to have more options.
To add to this it is very possible that your system doesn't match up and all that coraline could bleech or die off and then take a very long time to grow back. I'd order rock too.
Thanks. where do u suggest I order rock from? I know people recommend ordering rocks from this site, I just want to have more options.
earlybird
Active Member
There are other options and I looked into a few routes before I ordered my rock. I decided to go with swf rock and I was happy. Can't list competitors on this site but google live rock and research a bit. Yes that rock can be re-populated with smaller pieces of uncured rock or live sand. But there's no guarantee that all that coraline will survive if you move it into your tank. It will however re-grow over time.
reefkprz
Active Member
Originally Posted by moneylaw
Thank you for sharing the info. But didn't those life forms repopulate over time? I mean let say I bought just two rocks and during shipping, 1 to 40 life form die in rock 1, and 41 to 80 life forms die in rock 2. So now I still have 100 % of the species in those two rocks. over time in an established aquarium, wouldn't those life forms reproduces?
some or most of them would but soem would die out due to natural competition so over time you end up with less than the 100% so if you get a lot of rock from an established tank chances are biodiversity is going to be minimal, there will only be the toughest most dominant critters (the less dominant having died out over time), that came with the rock, IMO straight from the wholesaler to your tank is the best, precured is a waste because it has to be recured anyways, so your doing double damage to it. do you see what I am saying? I dont know if I'm explaining it very well.
Thank you for sharing the info. But didn't those life forms repopulate over time? I mean let say I bought just two rocks and during shipping, 1 to 40 life form die in rock 1, and 41 to 80 life forms die in rock 2. So now I still have 100 % of the species in those two rocks. over time in an established aquarium, wouldn't those life forms reproduces?
some or most of them would but soem would die out due to natural competition so over time you end up with less than the 100% so if you get a lot of rock from an established tank chances are biodiversity is going to be minimal, there will only be the toughest most dominant critters (the less dominant having died out over time), that came with the rock, IMO straight from the wholesaler to your tank is the best, precured is a waste because it has to be recured anyways, so your doing double damage to it. do you see what I am saying? I dont know if I'm explaining it very well.
S
sudc
Guest
Not sure what some of the other posters are talking about but that DEFINITELY looks like nice live rock.
For $4 a lb, that is a good deal. If its in a established tank doing well, it has plenty of diversity and more than likely much more diversity than anything you will get online.
For $4 a lb, that is a good deal. If its in a established tank doing well, it has plenty of diversity and more than likely much more diversity than anything you will get online.
adroitmind
Member
I must say i bought all my rock out of established tanks locally and it was a good experience. No curing, and most of the time i was able to get a flat price for all the rock. That rock looks good too.
1journeyman
Active Member
Originally Posted by Craig_08
I hear that a company in the same city where the Buccaneers play in Florida have some really biodiverse rock and kind of set the standard for LR. Try googling for it.
Florida live rock is usually maricultured from dead coral deposits.
It will be fresh, but the rock is incredibly dense and heavy. I put a couple of pieces in my tank, but would not try to fill a tank with it.
I hear that a company in the same city where the Buccaneers play in Florida have some really biodiverse rock and kind of set the standard for LR. Try googling for it.
Florida live rock is usually maricultured from dead coral deposits.
It will be fresh, but the rock is incredibly dense and heavy. I put a couple of pieces in my tank, but would not try to fill a tank with it.
1journeyman
Active Member
Originally Posted by SUDC
Not sure what some of the other posters are talking about but that DEFINITELY looks like nice live rock.
For $4 a lb, that is a good deal. If its in a established tank doing well, it has plenty of diversity and more than likely much more diversity than anything you will get online.
Ok, I'll explain better.
A typical piece of rock in the ocean is covered in literally countless species of life in all stages. The quicker you can get that rock into your tank the more life you are introducing into your tank.
Now... rock that has been in a tank for 5 years will not have more diversity. No way.. Our aquariums are a closed system. Diversity slowly dies off in our tanks. Some species can't compete, some are consumed, some fail to have their needs met, some do not reproduce readily, etc.
I believe it's Reef Invertebrates by Fenner and Calfo that actually suggests removing a portion of rock every few years from your tank and adding fresh rock (after it's been cured of course). This re-introduces more species back into your tank.
Not sure what some of the other posters are talking about but that DEFINITELY looks like nice live rock.
For $4 a lb, that is a good deal. If its in a established tank doing well, it has plenty of diversity and more than likely much more diversity than anything you will get online.
Ok, I'll explain better.
A typical piece of rock in the ocean is covered in literally countless species of life in all stages. The quicker you can get that rock into your tank the more life you are introducing into your tank.
Now... rock that has been in a tank for 5 years will not have more diversity. No way.. Our aquariums are a closed system. Diversity slowly dies off in our tanks. Some species can't compete, some are consumed, some fail to have their needs met, some do not reproduce readily, etc.
I believe it's Reef Invertebrates by Fenner and Calfo that actually suggests removing a portion of rock every few years from your tank and adding fresh rock (after it's been cured of course). This re-introduces more species back into your tank.
moneylaw
Member
So are you guys recommending me to go with uncured rocks since I am starting a new tank? Is that easy process for beginner? I am new to saltwater and don't know much about curing rocks even though I have read dozens of articles, but until I see the rocks, I wouldn't know what to brush off and what to leave it. And how bad is the smell? Thanks for all your replies.
