Pentair | 521378 | 4-Gallon Muriatic Acid Tank – For Automated Chemical Feed Systems

The Pentair 521378 4-Gallon Muriatic Acid Tank is a genuine OEM chemical storage solution designed for use with Pentair chemical automation systems, such as IntelliChem. Built from chemical-resistant materials, it provides safe, reliable containment and dosing of muriatic acid for precise pH control.

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Key Features

• 4-gallon chemical storage tank for muriatic acid

• Compatible with Pentair IntelliChem and similar automated systems

• Chemical-resistant construction for durability and safety

• Designed for accurate chemical dosing and pH regulation

• Compact footprint for easy equipment pad integration

• Secure lid to prevent spills and evaporation

• Easy-fill opening for safe and convenient refilling

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Product Overview

The Pentair 521378 4-Gallon Muriatic Acid Tank is engineered to work seamlessly with Pentair automation systems to maintain balanced pool water chemistry. Its chemical-resistant design ensures safe handling and long-term durability, even in harsh pool environments.

With its compact size, the tank integrates easily into most equipment pad layouts while providing sufficient capacity for residential pool pH management. The secure lid prevents accidental spills and evaporation, and the large fill opening makes replenishing acid safe and straightforward.

When paired with an automated feed system, this tank allows for precise and consistent pH control, reducing the need for manual chemical adjustments and improving swimmer comfort.