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Pool Muriatic Acid

Muriatic acid and swimming pool chemistry. No problems lowering levels with inground pool maintenance, salt water pool maintenance and above ground pools.

Question or Comment? ~ Go To Charts

Swimming Pool Care and Maintenance

It is one one of the most corrosive forms of pool acid and its use goes from swimming pool care to metal and brick cleaning.

If you happen to spill some on your clothes, fabrics, varnished furniture, plastics, or most any painted surface, you can say bye-bye to them because it will eat through these things before you're able to wash it off.

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Liquid Hydrochloric Warning Label

Types Of Pool Acid

There are mainly two kinds:

Liquid (muriatic acid)

Dry Acid (Sodium Disulphate) This kind is easier to store and handle but also must be used with care.

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Dry Granular

Uses & Functions

The two main uses for hydrochloric acid is to lower your pool pH and pool alkalinity levels. The process on how to do that is found in the above links and also in the charts below.

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Pool pH Level Chart

Safety First

Always add your muriatic acid to water, never water to acid

Always wear heavy-duty gloves, goggles, and long sleeve shirt

Keep out of reach of children and pets

Store away from other chemicals and never store liquid over dry pool chemicals

Please remember that muriatic acid is one of the most powerful and corrosive forms of acid so take the proper precautions.

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Charts For Swimming Pool Water Chemistry

Chart - Lowering Swimming Pool Total Alkalinity

Decrease	GALLONS IN POOL
(ppm)	1,000	5,000	10,000	15,000	20,000	25,000	50,000
10	2.56 oz.	0.8 pts.	0.8 qts.	1.2 qts.	1.6 qts.	2.0 qts.	1 gal.
20	5.12 oz.	1.60 pts.	1.6 qts.	2.4 qts.	3.2 qts.	1.0 gal.	2 gal.
30	7.68 oz.	1.2 qts.	2.4 qts.	3.6 qts.	1.2 gal.	1.5 gal.	3 gal.
40	10.24 oz.	1.6 qts.	3.2 qts.	1.2 gal.	1.6 gal.	2.0 gal.	4 gal.
50	12.80 oz.	2.0 qts.	1.0 gal.	1.5 gal.	2.0 gal.	2.5 gal.	5 gal.
60	15.36 oz.	2.4 qts.	1.2 gal.	1.8 gal.	2.4 gal.	3.0 gal.	6 gal.
70	1.12 pts.	2.8 qts.	1.4 gal.	2.1 gal.	2.8 gal.	3.5 gal.	7 gal.
80	1.28 pts.	3.2 qts.	1.6 gal.	2.4 gal.	3.2 gal.	4.0 gal.	8 gal.
90	1.44 pts.	3.6 qts.	1.8 gal.	2.7 gal.	3.6 gal.	4.5 gal.	9 gal.
100	1.60 pts.	1.0 gal.	2.0 gal.	3.0 gal.	4.0 gal.	5.0 gal.	10 gal.

Chart- Lowering Swimming Pool pH Level

pH	1,000	5,000	10,000	15,000	20,000	25,000	50,000
Increase	GALLONS IN POOL
7.6-7.8	1 1/2 oz.	6 oz.	12 oz.	18 oz.	24 oz.	1 qt.	2 qts.
7.8-8.0	1 1/2 oz.	8 oz.	16 oz.	24 oz.	1 qt.	1 1/4 qts.	2 1/2 qts.
8.0-8.4	2 1/2 oz.	12 oz.	24 oz.	1 1/4 qts.	1 1/2 qts.	2 qts.	1 gal.
Over 8.4	3 oz.	16 oz.	1 qt.	1 1/4 qts.	2 qts.	2 1/2 qts.	1 1/4 gal.

Once again, be aware that muriatic acid is dangerous so take the proper precautions when making any adjustments to your pool and handle it with care.

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Swimming Pool Chemistry From Muriatic Acid
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