Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

Catalina Spas

Catalina Spas Granular Shock 1kg

Catalina Spas Granular Shock 1kg

Catalina Spas

Granular Shock

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

£11.42

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

Description

A floating dispenser should always be used for dosing either bromine tablets or chlorine tablets. The dispenser should be tied to something in the spa to prevent it being drawn into the spa skimmer.
Granular Shock is highly effective at des...

Delivery & Returns

Catalina Spas

Catalina Spas

You might also like

Catalina Spas 1kg Multifunctional 20g Chlorine Tablets

Catalina Spas

1kg Multifunctional 20g Chlorine Tablets

Catalina Spas Alkalinity Increaser (TA Plus) 1kg

Catalina Spas

Alkalinity Increaser (TA Plus)

Catalina Spas 4 Way Chemical Test Strips

Catalina Spas

4 Way Test Strips

Catalina 5" Directional Jet - The Great Escape

20% off

The Great Escape

Catalina 5" Directional Jet

Catalina Spas

Coast Spas® 2-Part Lounge Head Pillow (Small)

Catalina Spas Hardness Increaser 1kg

Catalina Spas

Hardness Increaser

DiChlor Granular Sanitizing Shock 5 lb.

SpaDepot.com

DiChlor Granular Sanitizing Shock for Spas ~ 5 lbs.

(51)

Catalina Spas

Freestyle Swim Spa - 16ft

Catalina 4KW BP501st Heating System - The Great Escape

20% off

The Great Escape

Catalina 4KW BP501st Heating System

Exclusive offer available

Mastercraft Pool and Spa

Sirona Activate Granular 2.2 Lb

(1)

Clean Water Pools and Spas

Spa Pure Spa Oxidizing Shock Mps 2.2lbs

The Pool & Spa House

SpaGuard® Enhanced Shock

Catalina Spas

Catalina Stainless Steel Water Feature Complete

880 Series Filter Lid Cushion (2019-2023) - The Great Escape

30% off

The Great Escape

880 Series Filter Lid Cushion (2019-2023)

Catalina Spas

Catalina 2" Top Access Diverter Valve

Catalina Spas Stabilised Chlorine Granules 1kg

Catalina Spas

Stabilised Chlorine Granules

Catalina Spas Spa Flush 1L

Catalina Spas

Spa Flush 1L

Floating Tablet Dispenser

Catalina Spas

Floating Tablet Dispenser

Catalina 4" Directional Jet - The Great Escape

20% off

The Great Escape

Catalina 4" Directional Jet

Catalina Spas Non Chlorine Shock 1kg

Catalina Spas

Non Chlorine Shock

Catalina Chlorine Starter Kit

Catalina Spas

Catalina Chlorine Starter Kit

Exclusive offer available

Mastercraft Pool and Spa

Sirona Activate Granular 5 Lb

Catalina Filter Canister - The Great Escape

20% off

The Great Escape

Catalina Filter Canister

Spa Time Chlorine Tablets 20g - 1kg

8% off

Catalina Spas

Spa Time Chlorine Tablets 20g - 1kg

DiChlor Granular Sanitizing Shock 2 lb.

SpaDepot.com

DiChlor Sanitizer-Shock for Spas ~ 2 lbs.

(41)

The curated dining table

The curated dining table

Dinnerware, glasses, and flatware.

All Spa Superstore

Spacare Rapid Shock 5kg

Catalina Spas

Freestyle Compact Swim Spa- 12ft

Sundance® Drain Valve - The Great Escape

20% off

The Great Escape

Sundance® Drain Valve

Arvidson Pools & Spas

SpaGuard® Enhanced Shock

English cottage touches

English cottage touches

Collected classics with country-house charm

Catalina Spas

Spa Sparkle 1L

Catalina Spas

Dream Maker Oval 30 Sq. Ft Filter (SC817/PDM30)

Catalina, Cal Spa, & Jacuzzi® 2-245 & J-145 Filter - The Great Escape

10% off

The Great Escape

Catalina, Cal Spa, & Jacuzzi® 2-245 & J-145 Filter

(1)

Catalina Spas

CX-6 Deluxe 6 Person Hot Tub

Spa Shock - Coast Spas Hot Tubs

Coast Spas Hot Tubs

Spa Shock

Catalina Spas

Catalina 25 Sq. Ft. Signature Spas Filter - Small

Catalina 3" Twin Rotary Jet - The Great Escape

53% off

The Great Escape

Catalina 3" Twin Rotary Jet

(1)

Catalina Spas

Catalina 100 Sq. Ft. Filter

Test All Water

Chlorine Granular Shock

justpoolstuff.com

SpaGuard Enhanced Shock (6 lb)

Hot Tubs, Inc.

Spa Oxidizing Shock 5lb

Catalina Spas

Catalina CX 3" Dual Pulse Jet

Jacuzzi® & Sundance® 230V UV CLEARRAY® System - The Great Escape

30% off

The Great Escape

Jacuzzi® & Sundance® 230V UV CLEARRAY® System

Yardandpool.com

Sirona Spa Care Activate Granular - 2.2 lb

Catalina Spas Bromine Granules 1kg

Catalina Spas

Bromine Granules

Catalina Spas Scale Away 1L

Catalina Spas

Scale Away 1L

Hot Tub Conditioner Sachet

Catalina Spas

Hot Tub Conditioner Sachet

Catalina 3" Spa Speaker W/Grill (Gray) - The Great Escape

20% off

The Great Escape

Catalina 3" Spa Speaker W/Grill (Gray)

My Pool Hut

Sirona Spa Care Activate Granular

Bar cart basics

Bar cart basics

Carts, glassware, and bottle storage.

Catalina Spas

Catalina CX Spa/Solstice Leisure Range 50 Sq. Ft. Filter

Catalina Aqua Bubbler - The Great Escape

21% off

The Great Escape

Catalina Aqua Bubbler

Bromine Pods (3 Pack)

Catalina Spas

Bromine Pods (3 Pack)

Bottle of SpaGuard Enhanced Shock - 2 Lbs, white bottle, orange cap

4% off

The Spa and Sauna Company

SpaGuard Enhanced Shock

Pools Plus More

Spaguard Enhanced Shock

Catalina 2 Tier Black Steps

Catalina Spas

Catalina 2 Tier Black Steps

Catalina Complete Suction Drain Assembly (Black) - The Great Escape

23% off

The Great Escape

Catalina Complete Suction Drain Assembly (Black)

Olimpia Overhead

Catalina Spas

2.5M Olimpia Overflow Premium In-Ground or Above-Ground Spa

Yardandpool.com

Sirona Spa Care Activate Granular - 5 lb

(1)

Catalina Spas pH Reducer pH minus 1kg

Catalina Spas

pH Reducer (pH Minus)

Catalina Spas Surface Cleaner 1L

Catalina Spas

Surface Cleaner 1L

Spa Fusion Sachet Oxidiser

Catalina Spas

Spa Fusion Sachet

Catalina Spas

Catalina 100 Sq. Ft. Filter Cartridge Set (SC714)

1kg pH Plus pH Increaser

Catalina Spas

pH Increaser (pH Plus)

Catalina Spas Filter Cartridge Cleaner 1L

Catalina Spas

Filter Cartridge Cleaner

Catalina Spas

Catalina 50 Sq. Ft. SaniStream® Filter (DL714)

Catalina Crystal Waterfall SS/Clear - The Great Escape

20% off

The Great Escape

Catalina Crystal Waterfall SS/Clear

Catalina Spas

Spa Cleaning Brush

Hot Tub Warehouse

Spa Pure Spa Oxidizing Shock 2.2 Lbs

(99)

HotSpring Spas & Pools

SpaGuard Enhanced Shock *MOST POPULAR

3 Tier Swimspa Steps

Catalina Spas

Catalina 3 Tier Swimspa Steps

Sparkle Bromine Initiator Packet The Great Escape

10% off

The Great Escape

Sparkle Bromine Initiator Packet

Catalina Spas

Refillable SaniStream® SpaPod

27% off

Pool Country

Pool Shock, 50 lbs 68% Cal-Hypo Granular, swimming pool shock

Catalina Spas

Bromine Tablets

Catalina Spas Foam Away 1L

Catalina Spas

Foam Away

Catalina Spas

Catalina 2" Diverter Valve Orion Style

Catalina Spas

Tri-Curve Diamond Headrest - CL & CS

Concentrated Stain and Scale Inhibitor

Catalina Spas

Concentrated Stain and Scale Inhibitor

Swimmingpoolpartsonline.com

Sirona Spa Care Activate Granular - 2.2 lb

Catalina Spas

Catalina/Clearwater 50 Sq. Ft. Filter Signature Spas - Large (SC706)

WATERFALL BODY-05+ SD/JZ - The Great Escape

20% off

The Great Escape

Waterfall Body (2005+) - SD/JZ

Catalina Spas

Coast Spas® 12 Sq. Ft. Filter

12% off

Atlanta Spa & Leisure

SpaGuard Enhanced Shock 2lb

DiChlor Granular Sanitizing Shock 1 lb.

SpaDepot.com

DiChlor Sanitizer-Shock for Spas ~ 1 lb.

(5)

Catalina Spas

Catalina Headrest 10"

Catalina 1" Water Diverter Assembly - The Great Escape

21% off

The Great Escape

Catalina 1" Water Diverter Assembly

Catalina Spas

Catalina 5 1/4" Power Storm Rifled Jet Orion Style

Ideal Pool & Spa

Spa Pure Non Chlorine Oxidizing Shock, 2.2lb.