# Chlorine Dose Calculator — Water Treatment Feed Rate

> Water Treatment Feed Rate (iPhone/iPad app by Shanghai Sheyuan Network Technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/chlorine-dose-calculator/id6761743091 (this page in markdown: same URL + `.md`)
- Developer: [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858)
- Category: Utilities
- Price: $4.99
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Languages: English
- Released: 2026-04-08
- Data updated: 2026-07-22
- User reviews in markdown: https://appshunter.io/ios/app/chlorine-dose-calculator/id6761743091/reviews.md

## What is Chlorine Dose Calculator?

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.


## Version history (last 3 releases)

### 1.0.2 — 2026-06-27

Added a More Pro Tools section to discover related field calculators.

### 1.0.1 — 2026-04-12

Bug fixes and performance improvements.

### 1.0 — 2026-04-08

No release notes.

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All apps by Shanghai Sheyuan Network Technology Co., Ltd.: https://appshunter.io/developer/1560626858

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-22.*