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Re: Aquatic Plants Digest V2 #556

In <199703032039.PAA27288 at looney_actwin.com>, on 03/03/97 
   at 03:39 PM, Aquatic-Plants-Owner at actwin_com said:

>I found muriatic acid in the local hardware store but it doesn't mention
>any concentration. The recipe for PMDD calls for .5 ml of 9 M HCl.

I believe my bottle of muriatic acid is round about 9M.  Check the label.

One gram molecular weight of HCl is about 37g.  So 9M is about 35%HCl by
weight (very roughly).

Add HCl to water, not vice versa.

Dave Gomberg, FormMaestro!    gomberg at wcf_com