Hydrochloric Acid Spa Filter Suitable from the gentle circulation

Suitable from the gentle circulation to the occasional vacuuming

Accurately tests for Chlorine

Effective on all types of algae including Black/Blue-Green/Mustard

Improves filter efficiency

Premium grade pH sensor for water balance

Hydrochloric Acid Spa Filter Suitable from the gentle circulationAlso available in 20L container for purchase in store only. As shown in photo. Container fee also applies. Empty containers (with lid) can be returned and a refund provided. Safety See packaging or download the MSDS here Decreases pH and Total Alkalinity in swimming pool water. Application: Application rate will depend on the pH and Total Alkalinity level. Check label or consult with your local pool professional. Hydrochloric Acid SDS