---
product_id: 614920784
title: "Muriatic Acid for Swimming Pools & Spas – Pack of 4 Gallons, Lowers pH, Muriatic Acid for Pools (HCL), pH Reducer for Water Balancing"
brand: "ez pools"
price: "¥121336"
currency: JPY
in_stock: true
reviews_count: 8
category: "Ez Pools"
url: https://www.desertcart.jp/products/614920784-muriatic-acid-for-swimming-pools-and-spas-pack-of-4
store_origin: JP
region: Japan
---

# 4 gallons bulk supply Deep surface calcium & mineral cleaning Precise pH control 7.2–7.6 Muriatic Acid for Swimming Pools & Spas – Pack of 4 Gallons, Lowers pH, Muriatic Acid for Pools (HCL), pH Reducer for Water Balancing

**Brand:** ez pools
**Price:** ¥121336
**Availability:** ✅ In Stock

## Summary

> 💧 Dive into flawless water with pro-grade pH control!

## Quick Answers

- **What is this?** Muriatic Acid for Swimming Pools & Spas – Pack of 4 Gallons, Lowers pH, Muriatic Acid for Pools (HCL), pH Reducer for Water Balancing by ez pools
- **How much does it cost?** ¥121336 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/614920784-muriatic-acid-for-swimming-pools-and-spas-pack-of-4)

## Best For

- ez pools enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Power for Ongoing Care:** Four gallons of professional-grade acid to keep your pool pristine all season long.
- • **Dual-Action Water Maintenance:** Simultaneously lowers pH and alkalinity to prevent cloudiness and scaling.
- • **Spotless Surfaces, Every Time:** Effortlessly removes tough calcium scale and mineral stains for a fresh pool look.
- • **Master Your Pool’s Chemistry:** Achieve perfect pH balance for crystal-clear, safe water every swim.
- • **Trusted by Pros, Perfect for You:** Used by pool service experts, now accessible for your home spa or pool.

## Overview

EZ Pools Muriatic Acid is a powerful 4-gallon solution designed to precisely lower pH and total alkalinity in pools and spas, ensuring optimal water balance and sanitizer efficiency. Beyond water chemistry, it effectively removes calcium scale and mineral buildup from surfaces, making it a versatile essential for both routine maintenance and deep cleaning. Trusted by professionals and ideal for home use, this bulk pack guarantees long-lasting performance and crystal-clear water.

## Description

desertcart.com : EZ Pools Muriatic Acid for Swimming Pools & Spas – Pack of 4 Gallons, Lowers pH, Muriatic Acid for Pools (HCL), pH Reducer for Water Balancing : Patio, Lawn & Garden

Review: Good product and service - As advertised. Good.
Review: good value - Works as advertised

## Features

- Precise pH Control – Muriatic acid for pool use is essential for maintaining balanced water chemistry. This 4-gallon pack helps lower pH to the ideal 7.2–7.6 range, optimizing sanitizer effectiveness and creating balanced water for swimming and soaking.
- Versatile Water Maintenance – This pool acid helps reduce both pH and total alkalinity, preventing cloudiness and scaling. Ideal for spas and swimming pools, it supports overall water clarity and balance with professional-grade strength and purity.
- Deep Surface Cleaning – This muriatic acid cleaner removes calcium scale, mineral stains, and surface buildup on tile and plaster. It’s perfect for acid washing during seasonal opening or for targeted spot cleaning when your pool needs a refresh.
- Bulk Supply for Ongoing Care – Each order includes pool acid muriatic 1 gallon x 4, ensuring you’re stocked for weeks of water balancing or deep cleaning. Ideal for home pools, spas, or commercial use by pool service pros who need reliable performance.
- Multi-Purpose Performance – This pool muriatic acid is not just for water balancing. It’s also effective for cleaning pool surfaces, adjusting alkalinity, and tackling tough buildup—always follow directions and wear protective gear when handling.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CVDD7CN6 |
| Best Sellers Rank | #11,581 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #49 in Swimming Pool Balancers |
| Brand | EZ POOLS |
| Customer Reviews | 4.8 4.8 out of 5 stars (55) |
| Item Form | Liquid |
| Item Weight | 20 pounds |
| Item model number | EZ-MURIATIC-ACID-4GALLON |
| Manufacturer | Buckman's |
| Number of Items | 1 |
| Product Benefits | Maintains Clean Sanitized Water |
| Product Dimensions | 12 x 12 x 12 inches |
| UPC | 656089071709 |
| Unit Count | 512.0 Fluid Ounces |

## Product Details

- **Brand:** EZ POOLS
- **Item Form:** Liquid
- **Item Weight:** 20 Pounds
- **Product Benefits:** Maintains Clean Sanitized Water
- **UPC:** 656089071709

## Images

![Muriatic Acid for Swimming Pools & Spas – Pack of 4 Gallons, Lowers pH, Muriatic Acid for Pools (HCL), pH Reducer for Water Balancing - Image 1](https://m.media-amazon.com/images/I/81v6DOhc4wL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product and service
*by T***S on January 1, 2026*

As advertised. Good.

### ⭐⭐⭐⭐⭐ good value
*by W***N on February 7, 2026*

Works as advertised

### ⭐⭐⭐⭐⭐ Good product
*by C***. on December 3, 2025*

I like it

## Frequently Bought Together

- Buckman's Muriatic Acid for Swimming Pools & Spas (4-Pack) - Lower's pH/pH Reducer for Pool Water Balancing - 4 Gallon
- CPDI Champion 4-Pack Pool Shock, 12.5 Liquid Chlorinator for Swimming Pools, 1 Gallon Each - Fast-Acting Sodium Hypochlorite Sanitizer, Ready to Use, Non-Staining, Non-Scaling, Commercial Grade
- HTH 52037R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria & Algae, Restores Crystal Clear Water - Shock Treatment, 1lb (12 Pack)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-08*