Services Regulator Repair $30.00 plus parts BCD Repair $15.00 plus parts Visual Inspection of Cylinder $10.00 Hydrostatic Testing of Cylinder $29.00 Oxygen Cleaning of Cylinder $30.00 Cylinder Tumbling $20.00-$30.00 Air Fill $3.00 Nitrox Fill (22%-40%) $8.00 Decompression Fill (40%-100%) $10.00 Trimix Fill Cost Varies Argon Fill for Drysuits $1.00/cuft Computer Battery Change Cost Varies