puttputt Posted January 20, 2006 Report Share Posted January 20, 2006 We haven't done this for a while so lets have a look.... 21/1/06 Ph - 8.2 Nitrate- undetectable (salifert) Phosphate - undetectable (salifert) Calcium - 430ppm (salifert) Kh - 8.3 (salifert) Mg - 1220ppm (salifert) Salinity - 1.026 (OTC Refractometer) Shawn. Quote Link to comment Share on other sites More sharing options...
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