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Re: mineral residue removal

Hello group, This is your professional Chemist, Charles Harrison, Ph. D.,
and I am here to say DANGER! Permanent Eye Damage from commercial HCL 
(Muratic Acid).

Also, If you have had a tank involved with a salt water for long, 
water with a high pH dissolves (etches) glass. The haze you see is 
now a part of the glass, microscopic holes in it. There may be 
nothing to "take off"

BE CAREFUL - - There has got to be a better way! How about steel 
wool. type 00 or 000.
Back to change some more water

Charles Harrison


>Date: Thu, 07 Dec 2000 11:53:43 -0800
>From: "\"Grif\" w. keith griffith" <kgriffit at wolfenet_com>
>Subject: Re: mineral residue removal
>
>  >Hi All,
>>   The bottom of  these panels are covered with a white
>>mineral residue which I can't touch with either a razor blade or vinegar.  I
>>believe that some sort of acid is needed
>>Bob Prather
>
>Last time I did a crusty tank I used HCL (Muratic acid) from the hardware
>store.  I let it sit for about 3 hours.  Still needed the razor blade to
>clean it up.  Seems like a couple of gallons of water and a cup or a bit
>more of the HCL.  Warm water makes things go faster.
>
>Now,,,  It splatters, gets hot, is bad for you, your skin, eyes, lawn
>yakyakyak.  So,,, whatever safety things you do, use (at least) eye 
>protection.
>
>'Grif'   N7IVS
>
- -------------
-- 
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SLAKA
Charles H. Harrison, Ph D
  e-mail to csharrison at primary_net
http://www.inkmkr.com/Fish
  Change as much of your water as often as you can!
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