---
product_id: 21356373
title: "Test Solution, OTO, 1/2 Oz. Chlorine, Bromine"
brand: "pentair"
price: "€ 11.54"
currency: EUR
in_stock: true
reviews_count: 3
url: https://www.desertcart.ie/products/21356373-test-solution-oto-1-2-oz-chlorine-bromine
store_origin: IE
region: Ireland
---

# Fast, reliable chlorine & bromine testing Compact 2.25x1.21x0.15 in bottle Precise 0.5 oz reagent Test Solution, OTO, 1/2 Oz. Chlorine, Bromine

**Brand:** pentair
**Price:** € 11.54
**Availability:** ✅ In Stock

## Summary

> 🧪 Test smarter, swim safer — never miss a perfect pool day!

## Quick Answers

- **What is this?** Test Solution, OTO, 1/2 Oz. Chlorine, Bromine by pentair
- **How much does it cost?** € 11.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/21356373-test-solution-oto-1-2-oz-chlorine-bromine)

## Best For

- pentair enthusiasts

## Why This Product

- Trusted pentair brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Compatibility:** Optimized for use with Pentair No. 782 and No. 783 test kits for flawless results every time.
- • **Quick & Easy Application:** Get fast, reliable readings to maintain a safe and healthy aquatic environment without hassle.
- • **Compact & Portable Design:** Small 1/2 oz bottle fits effortlessly in your testing kit for on-the-go water quality checks.
- • **Trusted Brand Reliability:** Pentair’s industry-leading quality means you’re investing in precision and peace of mind.
- • **Accurate Chlorine & Bromine Testing:** Ensure your water chemistry is perfectly balanced with Pentair’s trusted OTO reagent.

## Overview

Pentair Test Solution OTO is a precise 1/2 oz reagent designed for accurate chlorine and bromine measurement. Compact and compatible with Pentair No. 782 and No. 783 test kits, it delivers fast, reliable water quality results to keep your aquatic environment safe and balanced.

## Description

Test reagents No. 1 OTO solution is use with No. 782, No. 783. 1/2-ounces solution bottle. Measures-2/25-inch length by 17/81-inch height by 3/20-inch width.

## Features

- Test Solution, Pentair OTO, 1/2 Oz. Chlorine, Bromine.

## Images

![Test Solution, OTO, 1/2 Oz. Chlorine, Bromine - Image 1](https://m.media-amazon.com/images/I/51rrUbX6o5L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works as advertised
*by R***H on June 11, 2025*

Great replacement for the money

### ⭐⭐⭐⭐⭐ Great
*by E***N on September 13, 2021*

Worked well.

### ⭐⭐⭐⭐⭐ Five Stars
*by C***. on October 30, 2014*

Works fine to test clorine & bromine levels.

## Frequently Bought Together

- Pentair R161004 No.1 OTO Solution, 1/2-Ounce
- Pentair R161204 No.4 Chlorine Neutralizer Solution, 1/2-Ounce
- Pentair R161178 No.2 pH Test Solution, 1-Ounce

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**Shop now:** [https://www.desertcart.ie/products/21356373-test-solution-oto-1-2-oz-chlorine-bromine](https://www.desertcart.ie/products/21356373-test-solution-oto-1-2-oz-chlorine-bromine)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-03*