Reducing pH

[steveb21]

I have been using dry acid to keep my pH in check however am
i correct in saying that muiractic acid is a better and cheaper option ?

is hydrochloric acid the same thing?

would this do... Industrial Brick Patio Cleaner - Hydrochloric Acid 36.2% - (4x5 Litres) | eBay

 

[YippeeSkippy]

Yes Steve, Muriatic Acid = Hydrochloric Acid = Stomach Acid (really!) and yeah, MA is cheaper here in the US. Dry acid is not good for plaster nor SWG cells so we avoid using it or suggesting it.

I can't tell by that photo if anything else has been added to this "wash" as it is labeled. I'm slightly suspicious of it since they're calling it something other than just HA or MA. And what strength is it?

Maddie

 

[steveb21]

36.2%

im a bit suspiscious of the fact it's labelled as brick cleaner as well.

 

[steveb21]

Any one else advise here please?

 

[mknauss]

It appears to be plain MA. Not many additives can be placed in high concentrations of acid and survive.

Before dumping it in your pool, take a bucket of water from the pool and put a small amount of the acid in the water. See if any odd reactions occur. But I am very confident it is plain acid.

 

[steveb21]

Thanks.
When they say 36.2% ... what is the other % ... water?

 

[Jezza]

Yep it's the same stuff, just slightly more concentrated.

 

[steveb21]

Got this back from the supplier, looks good.

I enquired with our chemist here at the factory and he has said that yes, it is just Hydrochloric Acid branded specifically for Brick and Patio use.

As for usage instructions or dilution rates for using Hydrochloric Acid to manage pH levels in swimming pools, we are not able to provide any of that information.