Hydrochloric Acid 33% — Restricted Substance. Approval Required. Hydrochloric Acid 33% (HCl / muriatic acid) is a restricted hazardous substance under New Zealand's HSNO Act. Used for pool pH adjustment, concrete etching, masonry cleaning, rust removal, tile cleaning and industrial applications. Purchasers must meet approval requirements prior to purchase. 33% concentration — industrial and commercial strength Used for pool acid dosing, concrete etching and rust removal Effective on masonry, tiles and industrial scale deposits Restricted substance — approval required under HSNO Act NZ Available in 5L and 20L Buy Hydrochloric Acid 33% online in New Zealand. Restricted substance — approval required. Sulphuric Acid is a restricted hazardous substance under New Zealand’s HSNO Act and can only be supplied to HSNO-compliant workplaces. Before purchasing, you must complete and submit our Competent Person Declaration. Once approved, you will be able to purchase this product. Complete Declaration Form
