Solutions HOCL™ Cistern & Catchment Bomb™ Shock Treatment + Heavy-Duty Cleaner - 100G

Cistern & Catchment Shock Treatment & Heavy Duty Water Tank Cleaner – 100 g Stored water systems often develop slime, organic buildup, and unpleasant odors over time—especially in cisterns, catchment tanks, roofs, and gutters. This buildup can make water appear dirty, smell bad, and require heavy cleaning to reset the system. Our HOCL-based Shock Treatment & Heavy Duty Cleaner is designed as a powerful, one-time deep clean solution that targets these common problems at their source. Using Natural Oxidation Technology™, it helps break down organic film, lift residue from tank surfaces, and neutralize odor-causing compounds—restoring your system before switching to simple monthly maintenance. This 100 g size treats up to 5,000 gallons, making it ideal for standard residential cisterns or multiple smaller tanks. Why HOCL-Based Natural Oxidation Technology™ Hypochlorous acid (HOCL) is an oxidizing compound generated when NaDCC (sodium dichloroisocyanurate) dissolves in water. A