Utility Wonder 18-305 9oz No Drain E-Z Steam Boiler Cleaner Quickly corrects priming & surging with silicones. Stops noises & needs no flushing or draining. It's color coded to test boiler water conditions. One 9oz Container Is Sufficient For Low Pressure Steam Boilers Generating 400 To 600 Square Feet Of Steam Radiation (96,000 - 144,000 BTU). ***Note*** If The Water In The Gauge Glass Has A Deep Red Tint, It Is Unfavorable For Efficient Steaming. This Can Be Solved By Using An Application Of Utility Wonder Dry Steam #3. REPLACES SOS FAST-1 & SOS SO-1 SURGEOUT BOILER TREATMENT
