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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
4.8 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Double the Fun
This two-pack was a really nice surprise. The toys are super cute, soft, and just the right size for carrying around, which made them an instant hit with my pup. He loves having a toy he can easily grab and parade around the house, and these are perfect for that.
The plush material is soft enough to make them great comfort toys, but they also have that fun squeaky element that keeps things interesting. I like that getting two in the pack gives a little backup when one gets slobbery or needs a quick cleanup.
These are better for gentle play and cuddling than for heavy chewing, but for a puppy or dog that likes soft carry-around toys, they are a great choice. Adorable, fun, and a good value for a two-pack.
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Durable
This is the best dog toy I have ever bought! I got my 1st one in 2013 and it still squeaks. Admittedly, there is only one squeaker left but it still works. My dog has played with this silly snake more than any other toy she has. My friend often brings her dog when she visits and then the 2 dogs play tug-of-war with the snake. These are small dogs;, one is a pug and one is a small mixed breed that weighs about 15 pounds. They pull and tug with all their might. Even so, my first snake has no rips or tears. The only thing wrong is that most of the squeakers have given up the ghost. That's why I decided to replace snake. I don't think my pug noticed the difference. I washed it as soon as it came out of the package just to make sure there was no residual die in the fabric as I knew my dog would have it in her mouth ASAP. I don't put my dog toys in the dryer but they just have to be washed from time to time. So, all is well with snake except that he is much louder now that all of his parts work. That's the other thing, don't buy this toy if you can't stand the noise.
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Reviewed in the United States on October 15, 2016
★★★★★ 5
Dog LOVES this toy
My dog, a Husky/Carolina dog mix, LOVES squeaky toys. Probably more than me, to be honest. Any squeak sound he hears throws him into "I must destroy it" mode. So, for Christmas, I purchased him this Outward Hound Kyjen Invincibles Plush Snake. He. Went. Insane. It was love at first bite. He was squeaking and chewing it all day. However, as I figured, this toy is not invincible. He's already shredded a good portion of it. I had to vacuum up pieces. Luckily, he's never been one to swallow pieces, but I have other dogs who might, so I have to keep a watch on it. If you have a dog who eats pieces, watch them carefully. Fabric can cause blockages in the stomach or intestines of the dog.
Overall, this was a great gift for my pup, and I recommend it to other humans with squeaky-toy-loving doggies.
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Reviewed in the United States on December 28, 2015
★★★★★ 5
Great toy
Great toy. My two German shepherds love it and it lasts a long time
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Reviewed in the United States on March 16, 2026
★★★★★ 4
Well Made Toy But My Standard Poodle Chewed Through it Anyway!
We have a standard poodle puppy that chews EVERYTHING! There isn't anything that she can't chew through - leashes, harnesses, toys - you name it and she tears it apart and if it's a toy, de-squeaks it and tears all the stuffing out. She has very powerful jaws! Now I have a couple of other Outward Hound toys that are made only of firehose material and those are still intact. But she loves the feel of the plush toys so I thought this seemed very durable and the inner part was of their Dura-Tuff liner, so I was hoping this would be a win win situation! The toy came and it IS well made and the outside plush is soft and inviting for the dog. Squeakers in every segment is a huge bonus with my dog as she loves squeakers. And no stuffing. Those nice qualities aside, after several weeks, she did manage to rip it apart, shred the material and de-squeak it! For an average dog or puppy, this might have worked wonderfully and lasted the entire lifetime. I still think its a quality made toy, but it just didn't last for my girl!! If this review has helped you in any way, please check yes at the bottom of the review.
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Reviewed in the United States on July 8, 2016
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