SKU: 48393181737

Hach 511249 4"-1 2-Bottle Chlorine Test Shock Kit

$20.70 $23.00
Save 10%
No.2 Bestseller on nl >

Pay in installments of $5.75 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jun 16 - Jun 21

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Hach 511249 4"-1 2-Bottle Chlorine Test Shock KitThe AquaChek Chlorine 4 in 1 ShockChek test kit helps prevent time consuming and cloudy water and algae events so you can spend more time enjoying your pool or spa and less time maintaining it This test kit covers the essential chemistries for maintaining balanced water and provides an easy to read test that tells you when to shock the water Specifications . Chlorine 0 10 ppm. Total Alkalinity 0 240 ppm. Stabilizer Cyanuric Acid 0 300 ppm

Hach 511249 4"-1 2-Bottle Chlorine Test Shock Kit
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 48393181737

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.4 ★★★★★
Based on 2467 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
D
Verified Purchase
dawn swiney crowe
San Leandro, US
★★★★★ 5
Top notch price buster
Size: 11SMax-24Pack
Perfect fit, Perfect quality replacement and great deal!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
J
Verified Purchase
Jon J Ceresa
Bozeman, US
★★★★★ 5
Fits perfectly on my Dyson.
Size: 11SMax-24Pack
Fit perfectly. Work great. Improves your suction and cleaning power back to new. Good price. Fast shipping.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 28, 2026
M
Verified Purchase
Mark
Phoenix, US
★★★★★ 5
good
Size: 11S-25Pack
It doesnt feel like the original Eufy Brand but still very good.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
B
Verified Purchase
Barbara Rambow
Phoenix, US
★★★★★ 4
Workable but not as tight to fit
Size: 11SMax-24Pack
They work, but they don’t click in as smooth as the original pieces did
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2026
H
Verified Purchase
Huf
Port Orchard, US
★★★★★ 5
Fast shipping, items as advertised.
Size: 11SMax-24Pack
Perfect fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026

recommand products

Lera Lynn - Plays Well With Others [CD]
Lera Lynn - Plays Well With Others [CD]
13.05
 Matthew E White & Lonnie Holley - Broken Mirror: A Selfie Reflection [CD]
Matthew E White & Lonnie Holley - Broken Mirror: A Selfie Reflection [CD]
13.05
 DJ Trace - Retox LP [full colour gatefold / clear vinyl]
DJ Trace - Retox LP [full colour gatefold / clear vinyl]
23.99
 VARIOUS ARTISTS SOUL SISTERS
VARIOUS ARTISTS SOUL SISTERS
12.22
 El Pistolero Mexican Standoff
El Pistolero Mexican Standoff
15.12