sweet looks like a quality salt. its funny how ppl raved on IO ans fact is IO is a junk salt that isnt consistant batch to batch then people start having tanks crash and its " omg IO leaves this resadue and wont clear up" lol another awesome salt that has been around and actally number one since the 70's is marine enviroment and bio sea by aqua craft blows IO outts the water. but i like this oceanic product seems very consistant to me and much cheaper and i dont have to mail order it...woot