Replenish by seachem???

IMO a good salt mix will have everything in it that you need. I used to use ro prep from kent marine and over time I got cyno in my tank. This is from too many nutrients, I believe it was from the ro prep. I now just mix my salt with extra Mg and coral bulider to bring up my dkh.

I'd like to hear what others think also.
 
cosign on not needing it. most of those products are designed for people new to the hobby to green to know it is mostly snake oil.
 
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