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Description
PristineBlue Algaecide & Bactericide for Pools & SpasPristineBlue 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 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.
💧 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 USE
Eye 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):
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
Eye 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
- 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
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!
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Love that's its only 3 ingredients
Scent: Unscented, Size: 5 Ounce (Pack of 3)
My husband really likes the soap
Leaves a clean feeling.
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Reviewed in the United States on May 13, 2026
★★★★★ 4
Great soap
I love this soap so much! Great clean ingredients. I do find it dries out my face some but other than that I love it.
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Reviewed in the United States on January 31, 2026
★★★★★ 5
Best tallow soap hands down!
Scent: Unscented, Size: 5 Ounce (Pack of 3)
Finally found a soap that was only 2 ingredients, suddy , doesn’t dry out my skin. I love this soap! I have tried every tallow soap I can find and hands die this is the best! Definitely will be buying this always when I need soap.
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Reviewed in the United States on February 24, 2026
★★★★★ 3
Pricey, Hypoallergic, but nice lather
Scent: Unscented, Size: 5 Ounce (Pack of 1)
Scoured the internet for hypoallergenic french milled soap that was unscented. Ordered this. Thought it was a bit pricey. I does have a nice later and feels richer, but unfortunately have not seen a change with my skin being irritated yet after about a week.
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Reviewed in the United States on December 16, 2025
★★★★★ 5
Smells Great, Feels Great, Lasts Long
Size: 4 Fl Oz (Pack of 1), Unit Count: 4.0
This stuff smells great and it keeps dandruff away. It lasts a very long time and leaves your hair feeling healthy. A little bit goes a long way so it’s definitely worth the money.
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Reviewed in the United States on September 20, 2025