Chlorine Dose Calculator

Water Treatment Feed Rate

$4.99 · Designed for iPad. Not verified for macOS.

4 MGD at 2.5 mg/L target, 0.3 residual - gallons of 12.5% hypo per day? Feed rate for gas Cl2, sodium and calcium hypo, annual usage and cost. $1.99 one-time, no login. Running a water plant and need accurate chlorine feed rates fast? Chlorine Dose Calculator converts your target dose and flow into exact chemical feed rates for any chlorine form — no more manual pound-per-day math. Enter flow rate (MGD), target chlorine dose, and current residual. Select your chemical form and instantly see feed rate, annual usage, and estimated chemical cost. CHEMICAL FORMS SUPPORTED: - Gas Cl2 (100%) — feed in lbs/day - Sodium Hypochlorite 12.5% — feed in gal/day - Sodium Hypochlorite 10% — feed in gal/day - Calcium Hypochlorite 65% — feed in lbs/day WHAT IT CALCULATES: - Demand dose from target minus residual - Daily feed rate in lbs/day or gal/day - Annual chemical usage - Estimated yearly cost per chemical type - CT value guidance per treatment type TREATMENT TYPES: - Drinking water — with CT compliance notes - Wastewater — permit-based contact time guidance - Pool and spa — residual maintenance dosing Built for water treatment plant operators, wastewater technicians, and pool service professionals. Works completely offline — no internet required.

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Version 1.0.2

The developer, Shanghai Sheyuan Network Technology Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

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    Accessibility

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    Information

    Seller
    Shanghai Sheyuan Network Technology Co., Ltd.
    Size
    842.8 KB
    Category
    Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Sheyuan Inc.
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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