Deep Blue Shock Chlorine Granules great for hot tubs and spas - 10Kg

Introducing the Deep Blue Pro Concentrated Filter & Cartridge Cleaner, your essential solution for maintaining a pristine and healthy filtration system in pools or spas. This powerful cleaner is designed to tackle dirt, grime, and contaminants, ensuring that your water remains crystal clear and inviting. With its concentrated formula, this cleaner is highly effective in deep cleaning both sand and cartridge filters, prolonging their lifespan and optimizing their performance. Say goodbye to clogged filters and hello to a more efficient filtration system that keeps your pool or spa water sparkling clean. For sand filters, the application is straightforward. After backwashing the filter and draining it, simply add the appropriate amount of the cleaner based on your filter size. Allow the filter to soak for the recommended time, ensuring thorough cleaning. Once the soaking is complete, backwash and rinse the filter before putting it back into service. It's that easy! When it comes to cartr