anti-caking agent (sodium ferrocyanide)
- Thread starter earraval
- Start date
I'm not sure if it is in any mixes, and I probably wouldn't be worrying about it much. Is the concern being driven by a salt maker that says they have none, insinuating that others do, but doesn't specifically list what other mixes do have it?
I do not know if it is used, nor how much, and I've not seen any data suggesting it is present, nor that it is a concern, so I can't really answer the question well. 
Haven't heard of it being used by any of the aquarium salt manufactures (that's not really saying much). However, I have known such anti caking agents to cause problems in FW aquaria when the salt being used for a home water softener contains it.
I'm not aware of a kit for it.
What salt mix do you find available locally? It might be easier to just ask the maker.
What salt mix do you find available locally? It might be easier to just ask the maker.
Well, I know some folks... 
I'll try asking.
I'll try asking.
yrema
Lounger
FG NaCl sold here contains 0.5% Potassium Ferrocyanide, incidentally I am using this kind in the salt I made. No effects so far. I think the numbers are negligible.
BTW, won't Ferrocyanide decompose into cyanic acid when exposed to UV combined with ozone and hydrogen peroxide? What happens to the cyanic acid?
BTW, won't Ferrocyanide decompose into cyanic acid when exposed to UV combined with ozone and hydrogen peroxide? What happens to the cyanic acid?
Yrema, what is FG? sorry I did not get that!!! Could you share your salt mix formulation with me? you can send it to my email if possible earraval@terra.com.br
I am not shure what happens with the cyanic acid, but the things I am reading this anti-caking agent is very unstable with uv lights. There is some work on this, because of the salt you guys use to melt snow on the winter times. As the snow melt the water + this anti-caking agent goes to rivers, etc.... I am still reading, it's a lot of info..... but nothing in to marine fish only some data with fresh water fish......
Hey Randy if you find some info I would be very thankfull to you!!
Tks, Ed
Could you share your salt mix formulation with me? you can send it to my email if possible earraval@terra.com.brI am not shure what happens with the cyanic acid, but the things I am reading this anti-caking agent is very unstable with uv lights. There is some work on this, because of the salt you guys use to melt snow on the winter times. As the snow melt the water + this anti-caking agent goes to rivers, etc.... I am still reading, it's a lot of info..... but nothing in to marine fish only some data with fresh water fish......
Hey Randy if you find some info I would be very thankfull to you!!
Tks, Ed
OK, I'll get back to folks on both of these issues if I hear anything useful back or find anything out.
Try looking for it by its common name, Yellow Prussiate of soda or YPS. It has been brought up here before long ago.
I recently switched to a local and private saltmaker after finding out about the ingredients the big guys use for there salt mixes.
Like,(YPS) Yellow Prussiate of soda which has a small amount of cyanide in it, its a anti caking agent used in large mixes of salt which we all use.
They also use other agents which we don't need in our tanks, one makes the salt mix dissolve quicker,so we all say wow, this must be good salt mix
Randy asked if there was an assay of such but no feed back.
My theory is that it is used in "Sea Salt" mixes and somebody has misread those sea salts as those we use which they are not. It is in the cooking sea salt mixes that it is used in.
I recently switched to a local and private saltmaker after finding out about the ingredients the big guys use for there salt mixes.
Like,(YPS) Yellow Prussiate of soda which has a small amount of cyanide in it, its a anti caking agent used in large mixes of salt which we all use.
They also use other agents which we don't need in our tanks, one makes the salt mix dissolve quicker,so we all say wow, this must be good salt mix
Randy asked if there was an assay of such but no feed back.
My theory is that it is used in "Sea Salt" mixes and somebody has misread those sea salts as those we use which they are not. It is in the cooking sea salt mixes that it is used in.
OK, I got a reply from an informed individual that there is no sodium ferrocyanide or any other anti-caking chemical agents in Instant Ocean or Reef Crystals.
yrema
Lounger
<a href=showthread.php?s=&postid=14263097#post14263097 target=_blank>Originally posted</a> by earraval
Yrema, what is FG? sorry I did not get that!!!
Hello, Ed. Sorry for the late reply. FG stands for Food Grade.
You can check out the recipe at Randy's article here:
http://reefkeeping.com/issues/2005-11/rhf/index.php
Goodluck!
