Quote:
Originally Posted by bv_reefer
o yes i've been testing calcium since day 1, calciums currently at 380, i'm just wondering if it can serve for long term use like i've been using it?
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Your calcium is a tad low, especially for an SPS tank. The majority of reef keepers like to keep it in the 400-430 range, but almost always above 400. Personally, I don't know everything that is in Purple Up (they don't list it, it's a secret), so I would not trust it to be the only calcium source. I also don't believe Purple Up does anything for coralline growth IMHO. If you want to continue using it though, by all means go ahead, but I would suggest that you supplement mostly with a high quality calcium supplement, and lower the usage of the Purple Up. For smaller tanks, I like to use Kent Liquid Calcium or Kent Turbo Calcium. A two part solution would be an even wiser idea, I like TLF C-Balance.
