PristineBlue Algaecide / Bactericide Keep your pool, spa, or hot tub crystal clear all season long with PristineBlue® Algaecide / Bactericide from Earth Science Laboratories. This EPA-registered, NSF/ANSI Standard 60 certified liquid formula harnesses the proven power of Copper Sulfate Pentahydrate to eliminate algae and bacteria — without chlorine. Available in 8 oz, 32 oz, and 64 oz sizes, PristineBlue® fits every pool owner's needs. Why Choose PristineBlue? Chlorine-Free Formula — Gentle on skin, eyes, and swimwear while still delivering powerful protection NSF/ANSI Standard 60 Certified — Third-party verified for safe use in residential pools and spas EPA Registered — Registration No. 64962-1, so you can trust every drop No Re-Entry Wait Time — Swimmers can jump back in immediately after application Broad System Compatibility — Works seamlessly with chlorine, bromine, salt chlorine generators, ozone, and UV systems Long-Lasting Maintenance Cycle — Only needs reapplication every 14 days Active Ingredient: 19.8% Copper Sulfate Pentahydrate (CAS No. 7758-99-8), delivering 5% metallic copper Ideal For Residential Swimming Pools Spas Hot Tubs Compatible Sanitizer Systems Chlorine Bromine Salt Chlorine Generators Ozone UV Dosing & Application 💧 Pool Start-Up: Add 2 fl oz per 1,000 gallons of pool water when beginning the season or establishing a new treatment routine.💧 Spa & Hot Tub Start-Up: Add 6 mL per 100 gallons of water.🎯 Target Copper Level: Maintain 0.9 ppm metallic copper in pool water. Do not exceed 1.0 ppm.🔄 Maintenance Schedule: Reapply every 14 days to maintain effective algae and bacteria protection.🏊 Re-Entry Interval: None — swimmers may re-enter the pool immediately after application.🔧 Required Handling Equipment: Use only fiberglass, PVC, polypropylene, Viton, corrosion-resistant plastics, or stainless steel equipment when measuring and applying this product. Safety Information ⚠️ IMPORTANT SAFETY WARNINGS — READ BEFORE USEEye Hazard: Causes substantial but temporary eye injury. Do NOT get this product in your eyes. In case of eye contact, flush immediately with water for a minimum of 15 minutes and seek medical attention.Ingestion: Harmful if swallowed. Do NOT induce vomiting. Give water and call Poison Control immediately.Skin Contact: Harmful if absorbed through skin. Wash thoroughly with soap and water if contact occurs.Required Personal Protective Equipment (PPE): Long-sleeved shirt and long pants Shoes and socks Chemical-resistant waterproof gloves Protective eyewear Chemical Incompatibilities — Do NOT use with: Biguanide-based systems (e.g., Baquacil, Soft Swim) Metal-out / sequestrant removal products Strong bases or strong reducing agents Mild steel, nylon, brass, or copper handling equipment Hazardous Decomposition Products: Sulfur dioxide and sulfur trioxide may be produced under certain conditions.Spill Response: Neutralize spills with limestone or baking soda before disposal.New or Resurfaced Pools: Do NOT use in newly constructed or recently resurfaced plaster pools until the surface is fully cured.Maximum Copper Limit: Never exceed 1.0 ppm metallic copper in pool water.Storage: Store in a closed container at temperatures above 32°F (0°C).📄 Download the Full Safety Data Sheet (SDS) | Visit the Manufacturer Safety Page Good to Know 📋 Note: PristineBlue® is distributed by Innovative Water Care, LLC and manufactured by Earth Science Laboratories, Inc. This product is intended for nonpublic health use in residential pools, spas, and hot tubs only. Always test your water regularly to ensure copper levels remain within the recommended range of up to 1.0 ppm. 💡 EZ Pools Pro Tip: For best results, add PristineBlue® directly to your pool water with the pump running to ensure even distribution. Test your copper levels after initial application before establishing your 14-day maintenance routine. Pair with your existing chlorine, bromine, or salt system for a comprehensive water care program!
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