Can this product be used in a pool to lower the Ph?

Ive used a few teaspoons for my 215 gallon ozone hot tub to lower ph without affecting the alkalinity and then I neutralize it with maybe an ounce of baking soda and for alkalinity adjustments but I haven't seen any green water from this. Ill keep an eye on it. And keep everyone updated.

Can you use on glass showers?

That is still acid and dangerous, I use a product I found in the pool store for cleaning fiberglass hot tubs from hard water, spots "DeScale it", still a chemical but you spray it on the glass let it sit a few minutes to become super soft and then take type of scrub sponge wash it right off - Although I buy it much cheaper https://www.amazon.com/Descale-It-Bathroom-Cleaner/dp/B00170DANG/ref=sr_1_3?crid=2PQ67MVFD2X0W&keywords=descale+it&qid=1689714002&sprefix=descale+it%2Caps%2C153&sr=8-3

Will this work on windows with 15 years of hard water spots? i have tried everything- no joke. i'm desperate for something even caustic chemicals!

The best product for shower doors is: https://www.amazon.com/Shower-Hard-Water-Stain-Remover/dp/B00WNAJAG0?ref_=ast_bbp_dp

Will this work on windows that have 20 years worth of hard water spots? i'm not afraid of the work but i have used everything else and nothing works.

https://www.amazon.com/Shower-Hard-Water-Stain-Remover/dp/B00WNAJAG0?ref_=ast_bbp_dp

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Description

🧴 Clean smarter, not harder — safer acid, sharper results!

READY WHEN YOU ARE - Full-strength, easy-to-ship and store formula designed for hassle-free handling in any project or maintenance routine.
SKIN SAFE CHEMISTRY - Advanced buffering agents protect your skin from burns, so you can handle powerful acid with confidence and care.
POWER CLEAN PERFORMANCE - Effortlessly removes calcium deposits and balances pool pH with professional-grade cleaning strength.
BREATHE EASY WORK SAFER - Revolutionary low-fume formula reduces hazardous vapors by 90%, making your workspace healthier and more comfortable.
VERSATILE SURFACE SAVIOR - Perfect for pools, concrete, and more—one gallon covers all your cleaning and etching needs with ease.

CERTOL INTERNATIONAL USA/128-1 Muriatic Replacement Acid is a 1-gallon, full-strength liquid cleaner engineered with 90% fewer fumes and buffering agents to prevent skin burns. Ideal for pool pH adjustment, calcium deposit removal, and concrete cleaning, it offers professional-grade efficiency with enhanced safety and user-friendliness for both residential and commercial use.

Specifications

Package Information	Bottle
Item Form	Liquid
Manufacturer	TV Non-Branded Items (Home Improvement)
UPC	742117627380 093912847139
Global Trade Identification Number	00093912847139
Part Number	USA/128-1
Item Weight	8.34 pounds
Product Dimensions	5.5 x 5.5 x 11.75 inches
Item model number	USA/128-1
Is Discontinued By Manufacturer	No
Size	1 Gallon
Color	🇺🇸 Made in USA
Material	Liquid
Voltage	0.01 Nanovolts
Item Package Quantity	1
Number Of Pieces	1
Water Consumption	0.1 Gallons per Flush
Number of Handles	1
Included Components	CERTOL INTERNATIONAL USA/128-1 Muriatic Replacement Acid, 1-Gallon
Batteries Included?	No
Batteries Required?	No

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