The Ciano Water Clear & Protection + Conditioner maintenance pack delivers comprehensive aquarium water care. It combines a microparticle-filtering cartridge compatible with most Ciano filters and a specialized conditioner that neutralizes chlorine, chloramines, and heavy metals in tap water. Available in four sizes (S/M/L/XL) to match specific Ciano filter models. For optimal results, replace cartridges monthly and add conditioner at a ratio of 10ml per 40L whenever introducing tap water to your aquarium. This dual-action system ensures crystal-clear, fish-safe water with minimal maintenance effort.