Not sure about old fuel?

Diesel Fuel Water Content & Fuel Clarity Test #FCT-100

Will work for clear and with red dyed fuel.

Test is designed as a field PASS or FAIL.

  • Test detects water and solid contaminants in diesel fuels.
  • Very simple and immediate
  • If all 5 indicator marks are visible the test PASSES but if the indicator lines disappear then the fuel FAILS.
  • Failed tests require Fuel Polishing/Maintenance.

See the water detection capsule demo:

Only $13.95 for the FCT-100 Fuel Clarity Test or $31.95 for Fuel Clarity and Bacteria/Algae.

Deluxe package: Clarity, Water PLUS Bacteria/Algae Test: