Clorox Pool & Spa XtraBlue Pool Shock Algaecide Treatment 1lb Bag Case 24 Pack
Clorox Pool & Spa XtraBlue Pool Shock Algaecide Treatment 1lb Bag Case 24 Pack
Clorox Pool & Spa Shock XtraBlue is a fast-dissolving swimming pool shock treatment formulated to kill pool algae and bacteria and remove swimmer contaminants. Apply according to label directions with the filter running.
- Kills bacteria
- Improves filter performance
- Swim-ready in 15 minutes
- No premixing required
- Available chlorine: 39%
- Sodium dichloro-s-triazinetrione: 63.05%
- Copper (metallic): 0.26%
Shipping, returns & fit
Shipping is free on U.S. orders of $75 or more; orders under $75 ship for a flat $4.95. We currently ship to U.S. addresses only.
Orders are picked and packed within 5-7 business days. Once shipped, delivery normally takes another 7-10 business days, and you'll receive a tracking link by email. Full details on our Shipping Policy.
You have 30 days from delivery to return any unworn item with tags in its original packaging. Return postage is paid by the buyer, unless your item arrived damaged, wrong, or never arrived — in those cases we replace it or refund you in full and cover the postage.
Approved refunds go back to your original payment method within 5–10 business days. See the full Refund Policy.
Available sizes are listed on this page. Between sizes? Email us and we will help you choose. Colors may vary slightly between screens and batches. Natural variation in materials is part of the character, not a defect.
Call +1 212-673-5372, email support@cobblestonesvintageclothing.com, or use our contact form. A real person reads every message, Tue-Sun, 1 PM - 7 PM ET — usually answered the same business day.