RAIL TRACKER CLEAN TRACK SOLUTION. 1. Apply to rails with Cleaning Pads (WD4553), a soft cloth or cotton swab. (2) Scrub rails lightly to remove oil and grime. (3) After cleaning track, run Finishing Pads (WD4553) or a clean, soft cloth along top of rails to dry track and ensure optimal conductivity. Use Clean Track Solution with Cleaning & Finishing Pads. Safe, non-toxic and water soluble. 1.85 fl oz.