FAQ: Will Seachem Flourish Excel™ affect my pH, GH, or KH?

No.  Flourish Excel™ contains neither buffers nor minerals of any kind, so it will have no impact on pH, GH, or KH when used as recommended.  Flourish Excel™ is a carbon source for plants, but it not a source of CO2, so it will not acidify water the same way CO2 will.

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