10-01-2012, 09:39 PM
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difference between Reef Crystals and other "marine salts"
So, at the LFS I saw a 50 lbs box of what are called "Reef Crystals". 50 lbs is only $20! I've bought Instant Ocean for $50 for 50lbs. What is this about? It would make sense IMO, to buy the "crystals" if they are cheaper. No one at the lfs knew the difference, but tried to explain it was of "less quality" salt, though it describes it as good for reef tanks.
I only have a FOWLR tank, but I'd like to find a cheaper way to add salt.
Any thoughts? Knowledge here?