its better to have a balance then to have high numbers and nsw water is like dkh of 7.5 and ca 400 ish i think so ur bang on there u will get better colours from a lower kh reading of around 7 i have found with zeo but ull see more of a benefit from ur potassium and magnesium readings with sps
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360 gallon sps reef, 180 gal sump, bubble king supermarine 300, 4xmp40Wes, 2 x 6215 tunze waveboxes, 4 ghl mitras
360 Reef Tank
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