# MyTankLight

> Reef aquarium water change and salt calculation assistant. (iPhone/iPad app by Thallos.)

- Source: https://appshunter.io/ios/app/mytanklight/id544488591 (this page in markdown: same URL + `.md`)
- Developer: [Thallos](https://appshunter.io/developer/544488594)
- Category: Utilities, Productivity
- Price: Free
- Rating: 1.00/5 from 1 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 6.0 · 2 MB
- Languages: enc, German (Germany)
- Released: 2012-07-23
- Data updated: 2026-08-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/mytanklight/id544488591/reviews.md

## What is MyTankLight?

This is a little helper to assist you with your regular water change in you Reef Aquarium.

You can specify the size of your tank in liter, the amount of water you want to change, the salinity you currently have, the salinity you want to arrive at in your tank and the amount of salt, of your salt of choice, needed per liter of water.

You are welcome to send me feedback and wishes for future releases. Any help is appreciated.

## Key features

- Water change calculation
- Salinity management
- Salt amount per liter
- Tank size specification
- Target salinity setting

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/mytanklight/id544488591/reviews.md

### 3/5 — Funktioniert TOP !!!!

*2012-09-22, version 1.0.2.1*

Besten Dank. Funktioniert einwandfrei. Haben jetzt schon 3 Wasserwechsel hinter uns. Und die Salinität ist stets wie berechnet.

Update:

iOS 6 mit iPhone 5 keine Anpassung. Unten alles schwarz.

### 5/5 — Love it!

*2012-09-12*

Exactly what I need! Would of happily paid for this! Thanks!

### 5/5 — Top

*2012-09-10, version 1.0.2*

Kann jeder der ein Meerwasser Aquarium hat gebrauchen!

### 1/5 — Wish this was in English

*2012-09-03*

You write the info in English but the app is not ??? Don't get it.... I don't like it

## Frequently asked questions about MyTankLight

### What is MyTankLight used for?

MyTankLight is a utility designed to assist with regular water changes in reef aquariums. It helps calculate the precise amount of salt needed based on your tank's specifications and desired water parameters.

### How does MyTankLight calculate salt needs?

You input your tank size in liters, the volume of water to change, your current salinity, and your target salinity. The app then calculates the amount of salt required per liter of water for your specific salt mix.

### Is MyTankLight free to use?

Yes, MyTankLight is available for free. There are no costs associated with downloading or using its core features for managing water changes and salinity.

### What devices does MyTankLight support?

MyTankLight is compatible with iPhone, iPad, and iPod devices, making it accessible for a wide range of Apple users.

### How often is MyTankLight updated?

The latest version of MyTankLight is 1.26, last updated on February 11, 2015. While updates have been infrequent, the core functionality remains relevant for its intended purpose.

### What is the age rating for MyTankLight?

MyTankLight has an age rating of 4+, indicating it is suitable for users of all ages and does not contain mature content.

### Does MyTankLight have ads?

No, MyTankLight does not contain advertisements. As it is a free utility, users can expect an ad-free experience while managing their aquarium water changes.

### What is the user feedback on MyTankLight?

Based on the available data, MyTankLight has received one rating of 1.0 stars. This suggests a limited user base or potential areas for improvement based on early feedback.

## Version history (last 5 releases)

### 1.26 — 2015-02-11

This app has been updated by Apple to display the Apple Watch app icon.

support for new Screensizes

### 1.25 — 2014-09-05

MyTankLight is as of now free and available in a new look

### 1.0.2.1 — 2012-09-22

iOs6/iPhone5 Support

### 1.0.2 — 2012-09-09

now with density and specific gravitiy (at 77°F)
Support for english language and US Measurement (gallons/cups)

### 1.0.1 — 2012-08-29

corrected behavior for decimal places

## Apps similar to MyTankLight

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [WetMath: Aquarium Calculator](https://appshunter.io/ios/app/wetmath-aquarium-calculator/id6745920042) | — | Free | Utilities |
| [myTankTemp](https://appshunter.io/ios/app/mytanktemp/id1451299284) | — | Free | Utilities |
| [InnoReef](https://appshunter.io/ios/app/innoreef/id1413545303) | — | Free | Utilities |
| [It Expert Help Desk Partner](https://appshunter.io/ios/app/it-expert-help-desk-partner/id1583444220) | 5.0 (1) | Free | Utilities |
| [EgyReef Smart](https://appshunter.io/ios/app/egyreef-smart/id6459479686) | — | Free | Utilities |
| [Reef Brite 2.0](https://appshunter.io/ios/app/reef-brite-20/id1434331390) | 1.0 (1) | Free | Utilities |

## More apps by Thallos

- [MW-Shops](https://appshunter.io/ios/app/mw-shops/id556526798)
- [Upside Down Text](https://appshunter.io/ios/app/upside-down-text/id1173186593)
- [Upside Down Text Lite](https://appshunter.io/ios/app/upside-down-text-lite/id1175053503)
- [AquaCalculator](https://appshunter.io/ios/app/aquacalculator/id1449511522)
- [GPSFix für Fotos](https://appshunter.io/ios/app/gpsfix-fur-fotos/id1474464432)

All apps by Thallos: https://appshunter.io/developer/544488594

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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 2026-08-01.*