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RE: Muriatic Acid and pH
-----Original Message-----
From: owner-killietalk at aka_org [mailto:owner-killietalk at aka_org]
Sent: Wednesday, June 19, 2002 11:30 AM
To: killietalk at aka_org
Subject: Re: Muriatic Acid and pH
On 19 Jun 2002, at 0:16, Tranquility Base wrote:
> Now for the down side.... After treatment the pH crashes down to 6.0 or
> lower and takes AT LEAST a day to come back up to the desired 7.0 - 7.3.
And
> it takes significantly less acid to drop the pH from 7.0 to 6.0. A little
> overdose causes a large change. The pH bounce is much more severe and
slower
> than what you may expect.
In adding the acid you are probably eating away the bicarbonate---
your systems buffer. As a result, when it is neutralized by the acid
pH shifts become easier and more dramatic.
Corrective precautions: add some shell grit to your filter. (Oyster
shells work very well in this regard. The Ca they release is
inconsequential. CaCO3 will only start to disolve at pH < 4.)
> Muriatic acid 34% costs about $2.50 per gallon. The cost, therefore is
> insignificant.
This is CONCENTRATED HCl. This stuff is very dangerous and should be
treated with great caution. Do not inhale the fumes or spill any.
> It helps to have acid proof equipment and to handle the acid with EXTREME
> caution. And on a personal note there may be some dry acid on the outside
of
> the bottle when you buy it. You may not notice that you have it on your
> hand.
Always were gloves.
Keep a bottle of Sodiumbicarbonate solution on hand at all times
incase of emergency. Milk is also effective at mopping up acid spills
and neautralizing the acid in case of a spill or burn.
> I might note that I have been working with explosives, acids, toxic
solvents
> and the likes since I was a kid. My father always believed that if it
wasn't
> toxic or lethal it probably doesn't work. The reasoning behind this was
> simple: Who would sell a lethal product if it did not work well?
This is a dangerous philosophy...
Keep well
tt4n
Tyrone Genade
tgenade at sun_ac.za
http://www.tyronegenade.0catch.com
*************************************************************
P450 Lab, Biochemistry Department
University of Stellenbosch, 7602, South Africa
Ph: +27-021-808-5876, fax: +27-021-808-5863
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"No, the LORD has told us what is good. What He requires
of us is this: to do what is just, to show constant love,
and to live in humble fellowship with our GOD."
Micah 6:8
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