Re: How do I neutralize acidNorminn wrote:
> pipedown wrote:
>
>> "Leroy" <BogusAddy@domain.invalid> wrote in message
>> news:5C7Vj.3055$J16.1935@newssvr23.news.prodigy . net ...
>>
>>
>>> Oren wrote:
>>>
>>>
>>>> On Fri, 9 May 2008 17:53:15 -0700 (PDT), ransley
>>>> <Mark_Ransley@yahoo . com > wrote:
>>>>
>>>>
>>>>
>>>>> I am using Muriatic acid which will go into the ground from cleaning a
>>>>> garage and wonder what hardware or grocery store product I can mix
>>>>> with water to neutralise run off. Would Baking Soda work?
>>>>>
>>>>
>>>> Soda Ash and water.
>>>>
>>>
>>> Yep. AKA sodium carbonate, available in 5, 10, and 50 lb sizes
>>> at pool supply co. Call around for local price.
>>>
>>>
>>>
>>
>>
>> While baking soda will neutralize the acid that runs off into the
>> soil, more than likely soil itself and the concrete you cleaned with
>> it (assumption) can do the job just as well. Most of the chlorine
>> comes off as gas and some gets converted into salts. In the long term
>> its safe but in the short term it will kill bugs and grass
>>
>> For what gets soaked into the concrete, use ammonia after it dries and
>> you wash it first. Do this especially if you plan to seal it
>> particularly acrylic surface sealer (as opposed to a penetrating sealer).
>>
>> Muriatic is not the best for concrete, it will etch quite well but the
>> fumes are bad and it can penetrate leaving oily looking spots which
>> defy cleaning with just water and soap (hence my comment about
>> sealers). I have to admit it is far cheaper and generally more
>> aggressive than other products so in general a good choice.
>>
>>
>>
> We used muriatic to etch concrete prior to sealing. Just washed off
> with plain water, as, I'm sure,
> the instructions said we should. This was 2nd floor deck, with concrete
> walks, plants, and structural
> walls near. No effect on surrounding area. Dilute acid will probably
> help the lawn :o)
Be cautious about using ammonium hydroxide to neutralize hydrochloric
acid. It will do the job, but if there is much HCl you may find all
surfaces covered with a white film...ammonium chloride. This is
harmless, it's called washing soda sometimes, but it makes a mess.
Boden