Difference between TM salts

[Wolf]

What exactly is the difference from normal Tropic Marin salt to TM Pro Reef salt? TIA

 

[Wolf]

bump

 

[MT79]

I would assume the Pro Reef has a higher concentration of elements like Mg, iodine, iodide, etc. I think the "pro reef" variation is fairly new, I have not heard of anyone that uses it yet. I'm curious also...