# Chlorine Dose Calculator

> Water Treatment Feed Rate

Canonical page: [https://chrome-stats.com/d/id6761743091](https://chrome-stats.com/d/id6761743091)

## Overview

- **ID:** `id6761743091`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Shanghai Sheyuan Network Technology Co., Ltd.
- **Category:** Utilities
- **Version:** 1.0.2
- **Last updated:** 2026-06-27
- **First published:** 2026-04-08
- **Size:** 823 KB
- **Data as of:** 2026-09-12
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/chlorine-dose-calculator/id6761743091)
- **Website:** [https://calcspec.com/app-privacy.html](https://calcspec.com/app-privacy.html)
- **Privacy policy:** [https://calcspec.com/app-privacy.html](https://calcspec.com/app-privacy.html)

## Description

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.

## Rankings

- #1,135,302 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6761743091)