Iron oxide represents a serious problem for hydronic heating systems. Buildup of this damaging sludge can reduce heat transfer to the home by as much as 15 percent and reduce boiler efficiency by up to 6 percent in only three weeks. The MagnaClean Professional2XP from ADEY Innovation virtually eliminates the problem. Vital to system maintenance, it is part of a best practice process pioneered by ADEY Innovation. Each step in the system combats water-quality issues to maintain total hydronic heating system health as well as optimize system performance and efficiency. 412/406-8292; www.adey.com.