Does this mean if we have old salifert test kits that we should be using 10 drops?
Not sure what the official recommendation is, but it sounds like that wouldn't hurt. Try both ways? I tried both ways (with the new kit that says 10 drops), and I got the exact same reading. Mg in my tank is about 1300 ppm.
02-05-2018, 12:59 AM
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