---
product_id: 655056767
title: "One Shock Granular by EcoOne | Self-Dissolving Hot Tub Shock Treatment Chlorine Granules | Daily or Weekly Spa Shock & Sanitation | Sodium Dichloro-Triazinetrione Dihydrate (55% Chlorine), 2 Lb"
price: "€ 66.60"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.hr/products/655056767-one-shock-granular-by-ecoone-self-dissolving-hot-tub-shock
store_origin: HR
region: Croatia
---

# One Shock Granular by EcoOne | Self-Dissolving Hot Tub Shock Treatment Chlorine Granules | Daily or Weekly Spa Shock & Sanitation | Sodium Dichloro-Triazinetrione Dihydrate (55% Chlorine), 2 Lb

**Price:** € 66.60
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** One Shock Granular by EcoOne | Self-Dissolving Hot Tub Shock Treatment Chlorine Granules | Daily or Weekly Spa Shock & Sanitation | Sodium Dichloro-Triazinetrione Dihydrate (55% Chlorine), 2 Lb
- **How much does it cost?** € 66.60 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/655056767-one-shock-granular-by-ecoone-self-dissolving-hot-tub-shock)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

desertcart.com : One Shock Granular by EcoOne | Self-Dissolving Hot Tub Shock Treatment Chlorine Granules | Daily or Weekly Spa Shock & Sanitation | Sodium Dichloro-Triazinetrione Dihydrate (55% Chlorine), 2 Lb : Patio, Lawn & Garden

Review: Perfect water every time! - This is the only brand we trust for our Airbnb hot tubs. We mainly use inflatable tubs but this and new filters has been the key to keeping a spotless hot tub. No chemical smell keeps the water, crystal, clean and pure looking and also keeps the pH levels at a perfect balance without the need to going up or down. We do miss the tablets, they no longer sell tablets which is a little disappointing
Review: Works excellent - This product was recommended to me by my spa guy and used it ever since worked. Well we really love it.

## Features

- HOT TUB cleaner AND SHOCK - One Shock Granules are a self-dissolving cleaner and hot tub shock treatment in one. No complicated instructions, just drop these granules into the water and enjoy a healthy, clean spa all year round!
- GENTLE HOT TUB SHOCK- EcoOne One Shock hot tub shock treatment is formulated to be better for skin, hair, and health, containing only the necessary key active components for effective spa water treatment.
- FAST, EASY, & EFFECTIVE - One Shock chlorine shock for hot tub and spa use provides a quick and easy way to maintain optimal water quality. Spend more time relaxing and less time worrying about upkeep with this easy-to-use shock for spas.
- HOW TO USE HOT TUB cleaner AND SHOCK - Shock your hot tub or spa each week by adding 1 oz of shock chlorine granules for every 500 gallons of water to achieve 1-2 ppm available chlorine concentration. To sanitize, add daily or as needed at the rate of ¼ to ⅛ oz per 500 gallons of water.
- ABOUT THE BRAND - EcoOne is a complete line of earth-friendly spa care products, including shock hot tub chemicals, water balancers, and spa cleaners. Designed to keep your spa cleaned, sparkling, and safe for everyone—even those with sensitive skin.

## Images

![One Shock Granular by EcoOne | Self-Dissolving Hot Tub Shock Treatment Chlorine Granules | Daily or Weekly Spa Shock & Sanitation | Sodium Dichloro-Triazinetrione Dihydrate (55% Chlorine), 2 Lb - Image 1](https://m.media-amazon.com/images/I/51Sju79lvYL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect water every time!
*by X***7 on September 16, 2025*

This is the only brand we trust for our Airbnb hot tubs. We mainly use inflatable tubs but this and new filters has been the key to keeping a spotless hot tub. No chemical smell keeps the water, crystal, clean and pure looking and also keeps the pH levels at a perfect balance without the need to going up or down. We do miss the tablets, they no longer sell tablets which is a little disappointing

### ⭐⭐⭐⭐⭐ Works excellent
*by L***. on November 8, 2025*

This product was recommended to me by my spa guy and used it ever since worked. Well we really love it.

### ⭐⭐⭐⭐ Perfect for hot tubs
*by M***E on October 17, 2025*

This works great with my hot tub. Wish it was a more lasting or time release. Works great with the Eco system and monthly shock. Nothing works better for me.

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**Shop now:** [https://www.desertcart.hr/products/655056767-one-shock-granular-by-ecoone-self-dissolving-hot-tub-shock](https://www.desertcart.hr/products/655056767-one-shock-granular-by-ecoone-self-dissolving-hot-tub-shock)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-20*