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This dry acid decreases the pH of pool water slowly and effectively. The granular product is more convenient than a liquid acid. Regal's container describes pH Minus as decreasing high alkalinity and pH levels in swimming pool water.
| Product Code | RGL-50-4362 |
| Manufacturer Part No. | 47249530 |
| Manufacturer | Regal (Alliance Trading, Inc.) |
| UPC | 035186206915 |
| Net Contents | 1 kg |
| Chemical Class | Balancer — pH decreaser (dry acid) |
| Identified Use | pH Decreaser |
| Active Ingredient | Sodium Bisulfate (CAS 7681-38-1), > 90% w/w |
| Physical State | Dry crystalline solid |
| Appearance | Off-white granular powder |
| Odour | Fresh to pungent |
| pH | < 1.0 (5% aqueous solution) |
| Melting Point | 183 °C |
| Relative Density | 2.435 |
| Solubility | Partially soluble at 20 °C (68 °F) |
| Molecular Weight | 120.6 g/mol |
| Classification | Domestic |
Safety and handling information below is taken from Regal's Canadian Safety Data Sheet (issued 05/01/2024). Read the container label before use and keep out of reach of children.
Signal word: DANGER. H318 — Causes serious eye damage. Do not get in eyes, on skin, or on clothing. Wear protective gloves, protective clothing and eye and face protection. IF IN EYES: rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, and immediately call a poison centre or doctor.
Handling: wear all recommended personal protective clothing. Avoid contact with eyes, minimise dust generation, avoid breathing dust, and wash thoroughly after handling.
Storage: keep containers tightly closed in a dry, well-ventilated area. Keep away from children.
Incompatible materials: oxidizing agents, alkalis and moisture. Not corrosive in the presence of glass.
Dosage: follow the directions printed on the container. Regal's own pool care guidance is to follow the label for the proper amount to add, based on your test results and pool size. Amounts differ between pack sizes and between products — never measure a dose from a different container.
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To inquire about this product, please contact our Stouffville store. Our team will be happy to answer your questions and help with availability.
Stouffville Store Phone Number: 289-853-1855
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