Don't Let a "Full Tank" Reading
Leave You Stranded

Most factory installed RV fresh water tank gauges give unreliable readings.
Topargee tracks your fresh water usage in real time so you
know exactly what's left to the liter or gallon.

Get your 15% Harvest Hosts discount below plus free US shipping.

Claim My Discount

Installed inline. No tank drilling. No internal sensors.

The Problem

• Running out of water off-grid isn't just inconvenient, it can ruin your trip.
• Traditional tank gauges rely on internal probes that foul and corrode over time.
• These probes often deliver inaccurate or false readings.
• So even when your gauge says "full" it might not be.

The Topargee Difference

• Topargee works differently.
• Measures water flow as you use it - not inside the tank.
• Gives a clear, accurate picture of what remains.
• No guesswork. No surprises.

Key Benefits

• Tracks real water usage in real time
• Displays exact liters or gallons remaining
• No tank drilling or internal sensors
• Simple inline installation
• Works with RVs, caravans and boats
• Choose from 3 display options to suit your setup

Choose Your Gauge

Bluetooth $150.00 Monitor from your phone Learn More

Flush Mount $136.00 Sleek panel-integrated look Learn More

Surface Mount $100.00 Classic display, easy to read Learn More

Featured in Leading RV & Marine Publications

Used by off-grid travellers across the USA, Australia and beyond.

Trust & Reassurance

✔ Shipped from the USA
✔ Backed by a 12-month warranty
✔ Designed in Australia for real world conditions

Exclusive Offer for Harvest Hosts Members