# Aquarium Fertilizer Calculator

> Planted tank dosing made simple: EI & brand doses, logs, charts, CO2 — offline

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

## Overview

- **ID:** `com.gramshift.aquaferti`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** GRAMSHIFT
- **Category:** LIFESTYLE
- **Downloads:** 20
- **Version:** 1.0.9
- **Last updated:** 2026-08-27
- **First published:** 2026-07-06
- **Publisher country:** JP
- **Size:** 24 MB
- **Data as of:** 2026-09-18
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.gramshift.aquaferti)
- **Website:** [https://gramshift.com](https://gramshift.com/)
- **Privacy policy:** [https://gramshift.com/apps/aquaferti/privacy.html](https://gramshift.com/apps/aquaferti/privacy.html)

## Description

Stop guessing your fertilizer doses. Aquarium Fertilizer Calculator gives you the exact amount for YOUR tank — then helps you log, chart, and improve.<br><br>◆ CALCULATE<br>• 24 built-in commercial fertilizers (Seachem, Tropica, ADA, APT, NilocG, UNS, Dennerle, JBL and more) with manufacturer dosing<br>• Add your own fertilizer: enter the label dose (mL per L) and it works instantly<br>• DIY dry salts (EI method): KNO3, KH2PO4, K2SO4, CSM+B — weekly targets, per-dose amounts, stock-solution mode<br>• Presets: EI Standard, EI Low-tech, PPS-Pro<br>• CO2 estimator from pH &amp; KH — auto-filled from your latest water log<br>• Teaspoon hints for dry salts<br><br>◆ LOG<br>• One-tap dosing, water change, and water test log (pH, GH, KH, NO3, PO4, temperature)<br>• Growth photo album with dates — watch your tank progress<br>• Dosing reminders so you never forget<br><br>◆ UNDERSTAND<br>• Trend charts with dose &amp; water-change markers overlaid<br>• Tank check: when NO3 builds up or runs low, the app gently suggests adjusting — based on your real readings<br>• Export everything as CSV anytime. Your data stays yours.<br><br>◆ WORKS OFFLINE<br>No account. No sign-up. All data stays on your device.<br><br>Made for planted tank keepers, from low-tech beginners to EI veterans.<br><br>Product and brand names are trademarks of their respective owners. This app is an independent tool and is not affiliated with any manufacturer.

## Rankings

- #2,612,639 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.CAMERA`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.gms.permission.AD_ID`
- `com.gramshift.aquaferti.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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