Originally Posted by mgamer20o0
i didnt see anyone point out that aquarium salt is just normal salt no reason to spend so much on it.
Most freshwater aquarium salt is made from evaporated sea water or is synthetic.
It contains no artificial additives, sugar, or artificial colors. Other labels exist such as lake salt, brackish salt etc that contain other additives. Studies have shown that table salt does not do any appreciable harm in the aquarium (although the arguments continue). Iodized (sp?) or non-iodized and some anti-caking agents that are added to table salt.
Marine salt contains additives to ensure that trace and bio elements, calcium, vitamins among others are in the proper proportion to replicate marine conditions in the sea. Most, if not all, of these are synthetic to ensure that the buyer only gets what is on the box. No phosphates, nitrates, etc. Aquarium salt can not make that claim.
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As far as now much salt to add to get a required specific gravity that you keep asking, you need to read the instructions and get a device to measure specific gravity. That or buy your water from some place that has it pre-mixed to the SG