good or bad salt?? help!!

Reef Salt+ is a manufactured premium synthetic sea salt design based on the composition of natural seawater and specially formulated for reef aquariums. Reef Salt+ contains every essential major element and all of the minor trace elements to maintain marine organisms in natural reef water. Reef Salt+ does not contain any nitrates, phosphates or any other toxic elements such as beryllium, osmium, thallium,. It also contains no organic pollutants such as surface active agents, organics, phosphorus pesticides or oils. The artificial seawater formulated by Reef Salt+ is an excellent medium that has a constant pH, with a higher pH buffer capacity. It has no colour, no foam and no precipitation. Reef Salt + contains extra calcium, strontium and trace elements above natural reef water.

got it off a site? see wau think great price.
Marine Salt

 

I don't know anything about that salt.

If you don't live in Australia, the international shipping charges will kill you.