Automated Aquarium Nutrient Dosing & Monitoring Kit with Arduino Mega

Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.

Transform your aquarium or hydroponics setup into a self-correcting ecosystem. This kit lets you build a microcontroller-driven monitor that reads pH, EC, and temperature, then triggers peristaltic pumps via relays to adjust nutrient levels automatically. Whether you're maintaining a reef tank, a planted freshwater aquarium, or a hydroponic garden, the system ensures stable water chemistry around the clock.

What You'll Build

You'll assemble a fully functional water quality controller based on an Arduino Mega 2560. An 0.96-inch OLED display shows real-time pH, EC, and temperature values, while a DS3231 RTC timestamps data logged to a microSD card. Two waterproof DS18B20 probes track tank and ambient temperature, a TDS EC meter measures nutrient concentration, and an analog pH module monitors acidity. All sensors are calibrated using the two-point method for laboratory-level accuracy. When readings drift from user-defined setpoints, the 4-channel relay module activates dosing pumps to restore balance-automatically correcting pH up/down and nutrient concentration.

What You'll Learn

• Calibrating pH and EC sensors with buffer solutions using the two-point method
• Interfacing multiple sensors (DS18B20, TDS, pH) with an Arduino Mega and reading their values
• Programming relay logic for timed dosing cycles to maintain target water parameters
• Building a real-time OLED dashboard and logging sensor data to a microSD card with an RTC

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

This advanced kit is built for B.Tech ECE/EEE students crafting IoT or automation capstone projects, Smart India Hackathon teams tackling aquaculture or agri-tech challenges, and IIT/NIT/VIT/BITS researchers who need a complete multi-sensor platform without sourcing dozens of components. If you're comfortable with the Arduino IDE and can solder basic through-hole joints, you'll go from unboxing to a fully tuned dosing controller over a weekend.

Built and Backed by Compoden

Every Compoden kit ships with an AI build companion trained on this exact project - accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.

Choose your assembly option:

• Soldering Kit - 25W soldering iron, 60/40 solder wire, flux, and small perfboard for permanent assembly.
• Breadboard Combo - 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.