don't fret. between 8-12 is acceptable. ph is affected, so as long as these parameters are met you should be okay. i've heard of people using small amounts of an acid to neutralize kh should it ever get too high
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65g/20g reef system, Euro RS-80, 2x tunze 6055, mod 6025, mag7, 250 HQI w/192 actinics, 100 lbs. LR
46g FOWLR
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