Stop Struggling With Cloudy Sight Tubes

Fill Sight is an accurate, reliable tank monitor that gives you real-time tank volume readings on any Android or Apple device over Bluetooth up to 180 feet away. Stop guessing with sight tubes — know with Fill Sight!

$1,575 USD
Fill Sight logo
Made in USA

Why Fill Sight?

Stained and cloudy sight tube on a sprayer tank

Stained and cloudy sight tubes make it almost impossible to accurately gauge the level of solution in your spray tanks, leading to inaccuracies while filling your sprayer.

Fill Sight main display showing tank volume and density selection running on a tablet

Stop guessing how full your tank is — know how full it is. Large, easy-to-see digital volume display on any Apple or Android device.

What Is Fill Sight?

Key Features

Any Sprayer, Any Tank

Compatible with any sprayer make or model — self-propelled or pull-type. Works with any tank size and shape through customizable calibration.

Bluetooth to Your Device

View tank level on any Android or Apple device — real-time viewing in the cab or at the nurse trailer. No expensive displays required.

Tilt Compensation

Integrated tilt sensor delivers accurate volume reporting even when filling on an incline.

Density Presets

Quickly select from 5 customizable tank solutions and densities. Fill Sight automatically adjusts the volume calculations without recalibrating.

Easy Installation

Supply 12V keyed power and connect the sensor. Mount the control box and plumb the sensor in the tank bottom — done in about an hour.

Made in USA

Developed by Wellmann Farms LLC. Built by farmers, for farmers who understand the challenges of accurate tank filling.