Can I use this in an in ground vinyl lined pool? I am concerned it may damage the vinyl liner.

I use it in two different vinyl pools. These are not inground but they are common $500 pools and one of them is actually a hot tub. Absolutely zero stains. This product works great. I'm not totally sure but I'm pretty sure the only thing that's going to stay in your pool is if you leave chlorine tablet on the floor. I did exactly that once by mistake and that chlorine tablet left a 2 ft size white mark. So be careful with your chlorine and that's really it.

Do you use this before/after or with the Chlorinating tablets?

Hi, We are the manufacturer of Clorox Pool and Spa products. Chlorinating tablets should be used in order to maintain a 1-4ppm residual in the pool. Our shock products are meant to boost the chlorine level to oxidize material that accumulates over time like oils, greases, algae, bacteria, etc. If you're setting up a pool or are trying to clear cloudy water from over the winter, then you can add the shock before having tablets in the pool to eliminate any contaminates that may have accumulated. However, once the pool is crystal clear, then the shock can be added on a weekly basis (with tablets in the pool) to maintain clarity and to prevent contaminate accumulations. If you have any other questions or concerns, please give us a call at 1-800-SOS-POOL.

Can you use it on vinyl pools

Yes this is the only product I use in my above ground pool and works perfect. No discoloration of pool liner

Can i use this instead of clorox shock for small pools? the clorox app recommended the latter, but i can't find it in my area.

This is the Clorox shock for small pools this is just the better version in my opinion. I have an index pool and it works fantastic. I use half then wait 24 hrs and test again. Half normally does just fine sometimes I have to add the other half.

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💦 Shock your pool into perfection—because clear water is the new status symbol!

ALGAE ANNIHILATOR - Eradicates green, black, and mustard algae to keep your pool pristine and Instagram-ready.
GENTLE YET POWERFUL - Reduces chlorine odor and eye irritation without messing with your pool’s pH balance—comfort meets performance.
EFFORTLESS APPLICATION - Easy-open, easy-pour bottles designed for quick, mess-free dosing—because your time is valuable.
FILTER FRIENDLY FORMULA - Enhances filter performance, ensuring your pool stays cleaner longer and maintenance stays minimal.
CRYSTAL CLEAR CONFIDENCE - Transforms murky water into sparkling clarity, making your pool the envy of every summer gathering.

Clorox Pool&Spa Shock XtraBlue is a 1 lb granular pool shock that kills bacteria and multiple types of algae while improving filter performance. Its formula reduces chlorine odor and eye irritation without affecting pH, packaged in easy-to-use bottles for hassle-free maintenance.

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Brand	Clorox
Item Weight	1 Pounds
Item Form	Granular
Product Benefits	Kills Bacteria,Reduces Chlorine
UPC	810821021616
Number of Items	6
Net Quantity	16.0 Grams
Manufacturer	Chem Lab Products, Inc.
Country of Origin	USA
Item model number	33020CLX
Product Dimensions	35.71 x 42.67 x 20.32 cm; 453.59 g
ASIN	B00PZZFJQK

Clorox Pool&Spa Shock XtraBlue 1 lb

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