HTH™ Pool Care Shock Advanced: Pool Shock for Algae
HTH™ Shock Advanced pool shock helps you take on cloudy, unbalanced water with confidence.
- This powerful 4-in-1 swimming pool shock treatment kills bacteria, prevents algae, reduces chlorine odor, and restores clarity fast.
- With Cal Hypo technology, it delivers a sparkling clean pool without adding cyanuric acid, so you can enjoy a healthy, inviting swim all season long.
- For best results, shock weekly with HTH™ Shock Advanced.
HTH™ is here to help giving you the confidence to keep your water clear, safe, and always swim ready. You're all clear with HTH™.
Powerful 4-in-1 Formula
Kills bacteria, prevents algae, reduces odor, and restores clarity with advanced HTH chemistry.
Crystal Clear Results
This Cal hypo powered swimming pool shock treatment clears cloudy water in just 24 hours for sparkling confidence.
Shock Weekly with Cal Hypo
For best results, shock weekly with HTH™ Cal Hypo Shock Advanced.
App-Powered Clarity
Combine with HTH™ Test to Swim™ to remove guesswork, optimize dosing, and maintain sparkling clarity.
How to use
HTH™ Shock Advanced: Pool Shock for Algae
1. Add Directly To Water Or Skimmer
Follow the on-pack instructions according to your swimming pool size.
Follow the on-pack instructions according to your swimming pool size.
2. Repeat Weekly
For best results, use HTH™ Shock Advanced as part of your weekly pool care routine to keep free available chlorine levels between 1 and 4 ppm.
For best results, use HTH™ Shock Advanced as part of your weekly pool care routine to keep free available chlorine levels between 1 and 4 ppm.