BioGuard Balance Pak® 300 (11 kg) to Raise Calcium Hardness

Product Highlights:
- Helps prevent staining and corrosion caused by low calcium hardness.
- Extends the life of your pool liner by protecting against etching and wrinkling from low calcium levels.
- Ideal for pools that don't use well water.
- Enhances swimmer comfort by balancing water chemistry.
- Saves time and money on pool maintenance by reducing the need for frequent repairs.