# Reef Salt Calculator 2026 — Salinity and water change tool

> Salinity and water change tool (iPhone/iPad app by Nanjing Yunxiaochuang Technology Co., Ltd.)

- Source: https://appshunter.io/ios/app/reef-salt-calculator-2026/id6781887014 (this page in markdown: same URL + `.md`)
- Developer: [Nanjing Yunxiaochuang Technology Co., Ltd](https://appshunter.io/developer/1454457703)
- Category: Utilities
- Price: $0.29
- Age rating: 4+
- Requires: iOS 15.6 · 1 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, European Portuguese, Russian, Chinese (Simplified, China), European Spanish
- Released: 2026-06-23
- Data updated: 2026-09-10
- User reviews in markdown: https://appshunter.io/ios/app/reef-salt-calculator-2026/id6781887014/reviews.md

## What is Reef Salt Calculator 2026?

Reef Salt Calculator is designed for marine aquariums, reef tanks, and small saltwater tanks. It helps estimate salt dosage, water change volume, and salinity changes after top-off or maintenance.

Core features include tank volume calculation from dimensions, sea salt grams for a target salinity, reverse water change calculation from current and target salinity, maintenance logs for water changes, salt additions, top-off, and measurements, plus saved tank templates and salt mix parameters. All data stays on the device for long-term offline use.


## Version history (last 2 releases)

### 1.1 — 2026-08-07

Added a feedback feature.

### 1.0 — 2026-06-23

No release notes.

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All apps by Nanjing Yunxiaochuang Technology Co., Ltd: https://appshunter.io/developer/1454457703

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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 2026-09-10.*