white plastic bottle of Jacks Magic blue stuff pool stain remover with blue and black text and white screw cap showing front label
white bottle of Jacks Magic the blue stuff pool stain remover with blue and black text and a white cap showing 32 ounce size
Jacks Magic the blue stuff pool stain remover in a white plastic bottle with blue and black text and a white cap 32 fluid ounces
white plastic bottle of Jacks Magic the blue stuff pool stain remover with blue and black text and a white screw cap
Jacks Magic the blue stuff pool stain remover in a white plastic bottle with blue and black label text and a white screw cap
Jacks Magic Blue Stuff pool stain remover in a white 32 oz bottle with blue and black text and green environment logo
Jacks Magic the blue stuff pool stain remover bottle with white cap and blue and black text on label
white plastic bottle of Jacks Magic Blue Stuff pool stain remover with blue and black text and white cap standing on white background
Jacks Magic Blue Stuff Pool Stain Remover 32 oz white bottle with blue and black text and green stamp on label
White plastic bottle of Jacks Magic Blue Stuff pool stain remover with blue and green label and white cap shown on white background
Jacks Magic Blue Stuff Pool Stain Remover 32 oz white plastic bottle with screw cap and written instructions on the label
Jacks Magic Blue Stuff Pool Stain Remover 32 ounce white plastic bottle with green and blue label and white cap
jacks magic blue stuff pool stain remover 32 oz bottle with white cap showing product label and usage instructions
Jacks Magic Blue Stuff Pool Stain Remover 32 oz white plastic bottle with a white cap and detailed usage instructions on the back label
Jacks Magic Blue Stuff pool stain remover 32 oz white plastic bottle with detailed back label and white cap
rear view of a white cylindrical bottle of Jacks Magic Blue Stuff pool stain remover with detailed usage instructions and safety information
Jacks Magic Blue Stuff pool stain remover 32 ounce white bottle showing back label with usage directions and safety information
Jacks Magic Blue Stuff pool stain remover 32 oz white plastic bottle shown from the back with blue and green text instructions and safety information
white plastic bottle of Jacks Magic Blue Stuff pool stain remover with detailed usage directions and measurement markings on the back label
white cylindrical bottle of Jacks Magic Blue Stuff pool stain remover with text and dosage markings from 2 oz to 32 oz on the label
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
white plastic bottle of Jacks Magic blue stuff pool stain remover with blue and black text and white screw cap showing front label
white bottle of Jacks Magic the blue stuff pool stain remover with blue and black text and a white cap showing 32 ounce size
Jacks Magic the blue stuff pool stain remover in a white plastic bottle with blue and black text and a white cap 32 fluid ounces
white plastic bottle of Jacks Magic the blue stuff pool stain remover with blue and black text and a white screw cap
Jacks Magic the blue stuff pool stain remover in a white plastic bottle with blue and black label text and a white screw cap
Jacks Magic Blue Stuff pool stain remover in a white 32 oz bottle with blue and black text and green environment logo
Jacks Magic the blue stuff pool stain remover bottle with white cap and blue and black text on label
white plastic bottle of Jacks Magic Blue Stuff pool stain remover with blue and black text and white cap standing on white background
Jacks Magic Blue Stuff Pool Stain Remover 32 oz white bottle with blue and black text and green stamp on label
White plastic bottle of Jacks Magic Blue Stuff pool stain remover with blue and green label and white cap shown on white background
Jacks Magic Blue Stuff Pool Stain Remover 32 oz white plastic bottle with screw cap and written instructions on the label
Jacks Magic Blue Stuff Pool Stain Remover 32 ounce white plastic bottle with green and blue label and white cap
jacks magic blue stuff pool stain remover 32 oz bottle with white cap showing product label and usage instructions
Jacks Magic Blue Stuff Pool Stain Remover 32 oz white plastic bottle with a white cap and detailed usage instructions on the back label
Jacks Magic Blue Stuff pool stain remover 32 oz white plastic bottle with detailed back label and white cap
rear view of a white cylindrical bottle of Jacks Magic Blue Stuff pool stain remover with detailed usage instructions and safety information
Jacks Magic Blue Stuff pool stain remover 32 ounce white bottle showing back label with usage directions and safety information
Jacks Magic Blue Stuff pool stain remover 32 oz white plastic bottle shown from the back with blue and green text instructions and safety information
white plastic bottle of Jacks Magic Blue Stuff pool stain remover with detailed usage directions and measurement markings on the back label
white cylindrical bottle of Jacks Magic Blue Stuff pool stain remover with text and dosage markings from 2 oz to 32 oz on the label
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032
Jacks Magic

Jacks Magic Blue Stuff Pool Stain Remover, 32 oz | JMBLUE032

$22.99
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SKU: JMBLUE032

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About This Item

Jack's Magic "The Blue Stuff" - 32 oz Bottle

The Blue Stuff does everything “The Pink Stuff” does and more. The Blue Stuff’s proprietary blend actually removes copper from the water. The Blue Stuff is also very stable in higher chlorine levels and can be used in many fountain and water feature applications. Dosage: Initially, add one quart (32oz.) per 10,000 gallons of pool water then 6-8oz. per 10,000 gallons of water per week for maintenance.

Most recommended start up product for plaster pools

Controls plaster dust

Removes metals such as copper, iron and manganese from water

Prevents and removes stains and scale in plaster, vinyl and fiberglass pools

Features and Benefits:

  • Aids in the prevention of metal stains & scale in new pools
  • Helps remove stains and scale in older pools
  • Safe for all pool finishes

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More about Pool and Spa Chemicals for Water Maintenance

Buyer's Guide: Pool and Spa Chemicals for Water Maintenance

Tier 1: The Foundation (Water Balancers)

  • Best For: Preventing "pH Bounce" and protecting pool equipment from erosion.
  • Look For: [Alkalinity Increasers] to stabilize your water foundation.
  • Expectations: Prevents rapid chemistry swings; essential before adding other treatments.

Tier 2: The Front Line (Sanitizers)

  • Best For: Daily bacteria and algae control to keep water safe for swimmers.
  • Look For: [Chlorine Tablets] or [Bromine] for consistent, slow-release disinfection.
  • Expectations: Requires regular monitoring to stay within the 1-3 ppm safety zone.

Tier 3: The Rescue & Polish (Pro-Grade Additives)

  • Best For: Clearing "dull" water or recovering from a heavy bather load/storm.
  • Look For: [Pool Shock] or [Water Clarifiers] to oxidize waste and sparkle the water.
  • Expectations: High-potency formulas that provide immediate visible results.

Complete Your Pool Care Routine

Essential Pairing
Pool Test Kits and Water Analysis Tools

Accurately measuring your current levels is the only way to know which chemicals to add without over-treating your water.

Shop Pool Test Kits and Water Analysis Tools
Highly Recommended
Pool and Spa Algaecides for Algae Control

Adding a preventative dose of algaecide weekly provides a secondary layer of defense when your sanitizer levels naturally dip.

Shop Pool and Spa Algaecides for Algae Control
Pro Tip: Don't Forget
Pool Clarifiers for Water Clarity

These specialized formulas coagulate microscopic debris into larger clumps, allowing your filter to remove "cloudiness" that chemicals alone cannot fix.

Shop Pool Clarifiers for Water Clarity
Technician's Guide: Pool and Spa Chemicals for Water Maintenance +

The Science of a Perfect Swim

Maintaining your pool or spa isn't just about adding chlorine; it’s about managing a delicate ecosystem where chemistry meets comfort. Pool and Spa Chemicals are the tools you use to keep water safe, clear, and non-corrosive. When these levels are out of sync, you risk more than just green water—you risk skin irritation, cloudy "milk" water, and expensive damage to your heaters and pumps.

The secret to easy maintenance is the Langelier Saturation Index (LSI) logic: balancing your water so it is neither "hungry" (acidic/corrosive) nor "oversaturated" (scaling). By mastering the basics of Sanitizers, pH Balancers, and Alkalinity, you ensure that your chlorine works at 100% efficiency. Without proper balance, even a pool full of chlorine can still grow algae. This collection provides the professional-grade formulas needed to protect your family’s health and your backyard investment.

Common Questions +

Q: In what order should I add my maintenance chemicals?
A: Always start with Alkalinity first, as it acts as a "buffer" for your pH. Once alkalinity is set, adjust your pH Levels, and finally add your Sanitizer or shock.

Q: Why does my pool smell like strong chlorine if the levels are "fine"?
A: That "pool smell" is actually caused by Chloramines (combined chlorine), which form when chlorine is used up. It means you actually need more chlorine or a Pool Shock to break those bonds and refresh the water.

Q: Can I use pool chemicals in my hot tub/spa?
A: Generally, yes, but be cautious of concentration. Spas have much less water and higher temperatures, which causes chemicals like Bromine or chlorine to react faster. Always follow spa-specific dosing on the label.

Q: How often should I test my water chemistry?
A: For active pools, test for Chlorine and pH at least 2–3 times per week. Total Alkalinity and Calcium Hardness should be checked once a week or after heavy rain.

Q: What is the ideal pH range for a swimming pool?
A: You should aim for a pH Level between 7.4 and 7.6. This is the same pH as the human eye, ensuring maximum comfort and preventing equipment corrosion.

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