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At 03:48 PM 11/22/98 -0500, you wrote:
>Thanks to everyone who has been emailing to the list regarding various
>acids and their advantages and disadvantages.
>Thanks also to whoever it was that set me straight about acetic acid ....
>I will not be adding it to my tank!
>After looking around in a number of places, I finally found a source of
>Hydrochloric Acid at a hardware store (Most shop keepers looked at me
>funny when I started to explain that I wasn't really interested in
>I found a 5 litre container of Hydrchloric acid (Muriatic - "Spirit of
>Salt" ???) for $9.95 (Aus)., which sounded like a bargain to me. I'll
>never have to buy any more - unless it has a maximum shelf life???
>Anyhow, the label says that it contains 350g/L HCL. I imagine that this
>is 350g of HCL in granular form that has been added to each litre of
>distilled water. Is this correct?
>If so, what concentration HCL do I have? How many drops / ml would you
>guys recommend adding to SLOWLY lower my pH, considering that the tap
>water is pH of 8.4 and 120ppm Carbonate Hardness?
>i do not add CO2 to this tank, I am just trying to lower the pH to a more
>neutral point. I am not concerned about the few fish that live in the
Hydrochloric acid is wicked nasty stuff. First of all it's a solutiojn of
hydrogren chloride (a gas) in water. It tends to go out of solution
really easily and the vapour is pure acid fog. You don't want to
use this stuff indoors without extremely good ventilation. It
loves to put out vapour.
5 litres will last you seevral lifetimes.
Ad a drop at a time, let it circulate, then take a pH reading.
You need to carefully add a drop at a time until you see
If you look at an old enoug Guiness Book of Worls Records,
you'll find HCl listed as the worls stongest acid ('57 sor
sure, maybe others).
Richard J. Sexton richard at aquaria_net
Maitland House, Bannockburn, Ontario, Canada, K0K 1Y0 +1 (613) 473 1719