Iron Out, the #1 Brand rust stain remover, offers Iron Out automatic toilet bowl cleaner which is specifically designed to repel rust and hard water stains with every flush of your toilet. The concentrated, long-lasting formula cleans rust away and repels new stains from forming for up to 45 days per tablet. This powerful yet safe formula will not harm Toilets, internal toilet components, plumbing or septic systems. Use Iron Out powder or liquid spray first to clean the toilet bowl before inserting a tablet. Simply drop a tablet in the tank and let Iron Out atbc do the work for you. A family owned business that started in 1958, Summit brands offers highly effective, sustainable, and innovative household cleaning products. Summit brands began with the distribution of multi-purpose rust stain remover, Iron Out, and has since branched out to include a broader line of specialty cleaning products under the out, glisten and plink brands. As category leaders in many consumer segments, our goal is to provide high-quality cleaning products that fit the needs of the consumer with results. From the manufacturer super Iron Out automatic toilet bowl cleaner is designed and tested to repel rust and hard water stains with every flush of your toilet bowl. The concentrated formula cleans rust away and repels new stains from forming for at least 45 days per tablet. Simply drop in a tablet and let super Iron Out atbc do the work for you. For even better results use Super Iron Out all-purpose powder or super Iron Out liquid spray rust stain remover to clean the bowl first.