I have used Reef Crystals almost exclusively since Oct 2004 and have had pretty good results. In the two instances the LFS was out of RC I used IO and Sea Chem and was not impressed with either of them; salt took longer to desolve and I found a higher rate of algae growth over these periods when using those two buckets. These two instances were spread about a year apart so I think the different brands of salt were a factor. I think the idea is to find what works for you and stick with it as many find different results with the same product ........if it aint broke, don't fix fix it.
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Greg
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