Formulated filter membrane cleaners from International Products Corporation are compatible with UF, RO, ceramic and NF systems. They work effectively at restoring 100-percent flux at safe pH ranges. A wide variety of chemistries are available for all membranes and soils. Their use enables fast, effective soil removal and helps reduce or eliminate membrane replacement. They save time, energy, and labor costs and can help eliminate multiple-step cleaning cycles. They are solvent-free concentrated liquid formulas that dilute easier than powder detergents. They are phosphate-free and noncorrosive. 609/386-8770; www.ipcol.com