Ihad the pleasure of using this on my 170 and man i had to change around 130 gals of the water my skimmer didnt work for liek 2.5 weeks after using it it really messed up the levels in my tank But that is IME and IMO. may be it does work it did take the RS away thou lots of maintance to get it back to normal thou.
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180 starfire front, LPS, millipora
Doesn't matter how much you have been reading until you take the plunge.
You don't know as much as you think.
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