S
supernovabjt
Guest
The magnatized particles are most likely another mineral called Magnetite, it is an Iron oxide (Fe3O4) that displays the properties you are describing. It is in no way related to Aragonite, which is a high pressure stable form of calcite (CaCO3). Magnetite is a very common mineral found at the beach (the black sand that sticks to your feet). In small quantities it is probalbly ok to have it in your tank, but if all of the sand is displaying magnetic qualities I would remove it asap before it starts to leach Iron into the tank.
S
shrimpy brains
Guest
Originally Posted by spanko
http:///forum/post/3093153
Who is Rick Greenfield credentials wise, Renee?
You know backin the 80's he did that song "Jesse's Girl"!
http:///forum/post/3093153
Who is Rick Greenfield credentials wise, Renee?
S
shrimpy brains
Guest
Very interesting thread! So, how many would advise, before putting black sand in a tank, to run a magnet thru it???
I've never used it before, but was planning to have it in my next 2 tanks. 1 for seahorses and 1 scorpion fish tank.
I've never used it before, but was planning to have it in my next 2 tanks. 1 for seahorses and 1 scorpion fish tank.
bang guy
Moderator
Originally Posted by Shrimpy Brains
http:///forum/post/3098984
Very interesting thread! So, how many would advise, before putting black sand in a tank, to run a magnet thru it???
I've never used it before, but was planning to have it in my next 2 tanks. 1 for seahorses and 1 scorpion fish tank.
I still advise pure aragonite or pure silica. It's less important for a fish only IMO.
http:///forum/post/3098984
Very interesting thread! So, how many would advise, before putting black sand in a tank, to run a magnet thru it???
I've never used it before, but was planning to have it in my next 2 tanks. 1 for seahorses and 1 scorpion fish tank.
I still advise pure aragonite or pure silica. It's less important for a fish only IMO.
fishkid13
Active Member
Originally Posted by Bang Guy
http:///forum/post/3099026
I still advise pure aragonite or pure silica. It's less important for a fish only IMO.
What makes aragonite and pure silica good for marine aqariua?
http:///forum/post/3099026
I still advise pure aragonite or pure silica. It's less important for a fish only IMO.
What makes aragonite and pure silica good for marine aqariua?
bang guy
Moderator
Originally Posted by fishkid13
http:///forum/post/3099362
What makes aragonite and pure silica good for marine aqariua?
No impurities.
http:///forum/post/3099362
What makes aragonite and pure silica good for marine aqariua?
No impurities.
bang guy
Moderator
Originally Posted by fishkid13
http:///forum/post/3100304
Ah..could you elebrate more.
I don't know what more to say. One of the more difficult aspects of reef aquariums is controlling what goes into the system. Starting off with sand containing impurities immediately adds unknown elements to your water. If you know the sand only has calcium carbonate + iron and NOTHING else then I don't really see a problem with that. When you add sand that is 90% silica and you have no idea what's in the other 10%, well, there's a good chance of trouble right off the bat.
I'm not a fish-only expert in the least, but I would think that you still want to know what's you're putting into your tank.
http:///forum/post/3100304
Ah..could you elebrate more.
I don't know what more to say. One of the more difficult aspects of reef aquariums is controlling what goes into the system. Starting off with sand containing impurities immediately adds unknown elements to your water. If you know the sand only has calcium carbonate + iron and NOTHING else then I don't really see a problem with that. When you add sand that is 90% silica and you have no idea what's in the other 10%, well, there's a good chance of trouble right off the bat.
I'm not a fish-only expert in the least, but I would think that you still want to know what's you're putting into your tank.
cranberry
Active Member
I honestly would have no problems using this product. If I started doubting products made speciafically and professionally for saltwater were actually safe for saltwater, where would it end. Who would I ever trust? People having been using this black sand for years. This phenomena has been documented by others who have had not any problems. The explanation by the manufacturer sounds correct.
T
tizzo
Guest
Oh no... Just ignore the girl...
Don't even READ post #17
https://forums.saltwaterfish.com/t/362216/white-sand-vs-black-sand
Don't even READ post #17
https://forums.saltwaterfish.com/t/362216/white-sand-vs-black-sand
flower
Well-Known Member
Originally Posted by Shrimpy Brains
http:///forum/post/3098984
Very interesting thread! So, how many would advise, before putting black sand in a tank, to run a magnet thru it???
I've never used it before, but was planning to have it in my next 2 tanks. 1 for seahorses and 1 scorpion fish tank.
I would say yes... I'm a worrier and that way I cold be sure. Otherwise I everytime something goes wrong I would blame the sand. It couldn't hurt and it gives peace of mind.
http:///forum/post/3098984
Very interesting thread! So, how many would advise, before putting black sand in a tank, to run a magnet thru it???
I've never used it before, but was planning to have it in my next 2 tanks. 1 for seahorses and 1 scorpion fish tank.
I would say yes... I'm a worrier and that way I cold be sure. Otherwise I everytime something goes wrong I would blame the sand. It couldn't hurt and it gives peace of mind.
cranberry
Active Member
Originally Posted by Tizzo http:///forum/post/3100372
Oh no... Just ignore the girl...
Don't even READ post #17
https://forums.saltwaterfish.com/t/362216/white-sand-vs-black-sand
Not quite sure what the ignore the girl means.... if you mean ignore you in that thread.... I never read it before.
That's a very interesting occurrence. Doesn't speak to it's composition safety we've been discussing, but that sure would be a pain!
Any one here of that happening elsewhere? Let's all snoop around and see what we can find.
What brand did you use Tizzo? And what brand of powerhead?
Oh no... Just ignore the girl...
Don't even READ post #17
https://forums.saltwaterfish.com/t/362216/white-sand-vs-black-sand
Not quite sure what the ignore the girl means.... if you mean ignore you in that thread.... I never read it before.
That's a very interesting occurrence. Doesn't speak to it's composition safety we've been discussing, but that sure would be a pain!
Any one here of that happening elsewhere? Let's all snoop around and see what we can find.
What brand did you use Tizzo? And what brand of powerhead?
T
tizzo
Guest
Originally Posted by Cranberry
http:///forum/post/3100402
Not quite sure what the ignore the girl means.... if you mean ignore you in that thread.... I never read it before.
That's a very interesting occurrence. Doesn't speak to it's composition safety we've been discussing, but that sure would be a pain!
Any one here of that happening elsewhere? Let's all snoop around and see what we can find.
What brand did you use Tizzo? And what brand of powerhead?
It was Natures Ocean and it was in an anemone/ shrimp/ crab/ coral tank for about a year, maybe a little more...
It was a 4'X4' sized tank so we kinda procrastinated about getting it changed out.
Tunze waveboxes were in the tank the longest, but korallias and regular Tunzes had the issue as well......
As far as composition safety, it was fine with all the inverts and fish, but I didn't read all of this thread, I kinda skimmed...
http:///forum/post/3100402
Not quite sure what the ignore the girl means.... if you mean ignore you in that thread.... I never read it before.
That's a very interesting occurrence. Doesn't speak to it's composition safety we've been discussing, but that sure would be a pain!
Any one here of that happening elsewhere? Let's all snoop around and see what we can find.
What brand did you use Tizzo? And what brand of powerhead?
It was Natures Ocean and it was in an anemone/ shrimp/ crab/ coral tank for about a year, maybe a little more...
It was a 4'X4' sized tank so we kinda procrastinated about getting it changed out.
Tunze waveboxes were in the tank the longest, but korallias and regular Tunzes had the issue as well......
As far as composition safety, it was fine with all the inverts and fish, but I didn't read all of this thread, I kinda skimmed...
fishkid13
Active Member
Originally Posted by Bang Guy
http:///forum/post/3100365
I don't know what more to say. One of the more difficult aspects of reef aquariums is controlling what goes into the system. Starting off with sand containing impurities immediately adds unknown elements to your water. If you know the sand only has calcium carbonate + iron and NOTHING else then I don't really see a problem with that. When you add sand that is 90% silica and you have no idea what's in the other 10%, well, there's a good chance of trouble right off the bat.
I'm not a fish-only expert in the least, but I would think that you still want to know what's you're putting into your tank.
Thanks, now that I think about it I don't know even know 90% of what my sand is made up of.
http:///forum/post/3100365
I don't know what more to say. One of the more difficult aspects of reef aquariums is controlling what goes into the system. Starting off with sand containing impurities immediately adds unknown elements to your water. If you know the sand only has calcium carbonate + iron and NOTHING else then I don't really see a problem with that. When you add sand that is 90% silica and you have no idea what's in the other 10%, well, there's a good chance of trouble right off the bat.
I'm not a fish-only expert in the least, but I would think that you still want to know what's you're putting into your tank.
ophiura
Active Member
There is a sand substrate in the trade (though usually freshwater tanks) called "black beauty" which does, in fact, contain iron. It is powdered iron slag. It is a sand blast substrate that I guess comes into the hobby. This is definitely not, IMO, something to use in a tank. Sand blast substrate is often used in freshwater tanks because it is cheap, but it is problematic, IMO, in a saltwater tank. It is coal slag I think.
Real world black sand is typically volcanic, meaning it would not be unusual at all to find iron in it.
Here is a very nice page. while it does not review "tahitian" black sand it talks about california black sand and what was found with a magnet.
http://www.microscope-microscope.org...copic-sand.htm
BTW, I also encourage you to look at the particle differences between calcareous sands (eg the north shore Hawaii one) and the volcanic/siliceous sands. The angularity is sometimes striking...and it does impact microfauna and even larger sand sifters in some cases. Not all calcareous sands are quite so rounded but siliceous sand is frequently relatively more angular.
Real world black sand is typically volcanic, meaning it would not be unusual at all to find iron in it.
Here is a very nice page. while it does not review "tahitian" black sand it talks about california black sand and what was found with a magnet.
http://www.microscope-microscope.org...copic-sand.htm
BTW, I also encourage you to look at the particle differences between calcareous sands (eg the north shore Hawaii one) and the volcanic/siliceous sands. The angularity is sometimes striking...and it does impact microfauna and even larger sand sifters in some cases. Not all calcareous sands are quite so rounded but siliceous sand is frequently relatively more angular.