Hibijyon Sc 24 ((free)) -

| Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | Rotten egg smell | Anaerobic bacteria | Add biocide, aerate the sump | | Excessive foaming | Hard water or air leak | Add defoamer, check pump seals | | Rust on parts | Concentration too low | Increase mixture to 5-6% | | Skin rash among workers | pH too high (>9.5) | Dilute with soft water | | Tool wear increased | Concentration too high (slickness lost) | Dilute to 3-4% |