wow never heard of cyano from a salt....bad water yes but not a salt. but ive read cyano feeds of a acid in the tank so maybe things swung around in your system cause the mix.
That's what I'm thinking. The only variable was the salt. That's the only reason I say that. All in all, reef crystal has their boxes at $45. Can't beat that unless you go IO.
-Ben-
"Wisdom is not the product of schooling but of the lifelong attempt to acquire it"
- Albert Einstein