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View Full Version : how do i read the folllowing test kits


janey
02/15/2006, 07:49 PM
seachem kit which i bought brand new from someone gave me a reading of 50 CA (mg/)


and with salifert it gave me reading ml's 0.04 = 480 ppm


again confused on both kits ??/
can someone please explain this too me..