[APD] Lowering KH, Which Is Better: RO Unit or Strong Acid?

[cS <justwrite_cs at gmail.com>]

Hello.

I hope that you ladies and gentlemen would be able to help me
understand "WHY A STRONG ACID SUCH AS HCl, H2SO4, H2PO4, etc. SHOULD
NOT BE USED TO LOWER KH" and that a RO unit does a much better job at
it.  I read many of the old APD posts and still am unable to
understand.

Your assistance is much appreciated.

- cS -

The full discussion, if you're interested, can be found at APC when I
raised the issue.

www.aquaticplantcentral.com/forumapc/showthread.php?t=13828

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