Thread: hardened substrate? cause?
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Old 09-16-2005, 02:30 PM
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Hightower said:
Quote:
calcium is at 410 and alkalinity 9.6
What I'm saying is that 9.6 is high Alk. (9.6x3.5=33.6 dKH)

If 9.6 is his dKH than its fine.

Hightower, is 9.6 the measure of your Alk (meq/L) or your carbonate hardness?
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