
Test Diesel for Water & Microbial Growth
Find Water and “Diesel Bug” Before They Destroy Your Fuel System.
Water and microbes are the leading causes of diesel fuel problems. Field test kits help you find them quickly.
Testing Diesel for Water
Water test kits show the presence of free and emulsified water in diesel fuel. Excess water leads to corrosion, microbial growth, and injector damage.
Testing Diesel for Microbial Growth
Microbial test kits detect bacteria and fungi in diesel fuel. These organisms create sludge, acids, and filter-clogging contamination.
Benefits of On-Site Water & Microbial Testing
- Fast results without lab delays
- Early detection of serious problems
- Supports decisions on polishing, treatment, or disposal

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