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Jacks Magic
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JACK'S MAGIC STAIN ID KIT POP BOX

$15.45
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Product Overview

Identifying the specific metal causing a stain prevents the waste of expensive sequestering agents and harsh acids.

In our experience, the Jack’s Magic Stain ID Kit is what pool techs reach for when visual diagnosis isn't enough to distinguish between iron, copper, or manganese. This ingenious pop-box kit contains a durable magnetic case and six color-coded reagent tablets designed to react directly with the stain on the pool surface. By following the Jack's Magic 3-step process—Identify, Remove, and Prevent—you avoid the trial-and-error approach that often leads to unbalanced water chemistry and wasted chemicals.

Why Pool Pros Trust This

Benefits & What Makes It Different

Targeted Metal Detection

Formulated to pinpoint iron, copper, manganese, and combined metal scales so you buy only the necessary treatment chemicals.

Durable Magnetic Case

The kit includes a weighted magnetic case that allows you to place the reagent tablets directly on the stain at the bottom of the pool without diving in.

Chemical Waste Reduction

By identifying the exact stain type before application, you eliminate the cost of 'shotgunning' multiple stain removers that may not be effective for your specific issue.

Product Details

Active Ingredient

Proprietary reagent tablets (including Ascorbic and Citric Acid blends)

Recommended Dosing

One tablet per test site as per the Jack's Magic 3-step identification process.

Compatibility

  • Do not use in water below 65°F
  • Compatible with all pool finishes including plaster, vinyl, and fiberglass
  • Best used when chlorine or sanitizer levels are low

When To Use This

Identifying mysterious brown or blue-green stains on plaster or vinylDetermining if a stain is metallic or organic before purchasing chemicalsTroubleshooting recurring discoloration in pools filled with well-water

Pro Tip

Before using the kit, ensure your chlorine level is below 1.0 ppm; high sanitizer levels can oxidize the reagents too quickly, interfering with the tablet's ability to react with the metal and potentially leading to a false negative.

Common Questions & Instructions

Can I use the Jack's Magic Stain ID Kit if my pool water is cold?

No, you should not begin treatment or testing if the water temperature is below 65°F, as the chemical reactions required for identification and removal are significantly slowed in cold water.

What types of stains does this kit identify?

This kit is designed to identify common metallic stains including iron, copper, and manganese, as well as organic stains and scale buildup, providing a clear path to the correct Jack's Magic removal product.

How long does it take to get results from the Stain ID Kit?

The process is designed to be fast; once the reagent tablet is placed on the stain using the magnetic case, a reaction usually occurs within minutes, allowing for immediate diagnosis.

Same-Day DFW Delivery

Delivered today to your DFW neighborhood

Order this item by 2 PM Central on a weekday, and we'll have it on your driveway by evening. Same-day delivery is FREE to every ZIP in our DFW coverage area — no minimum — or it's free with our weekly service plan.

Free PDF Guide

Get Our Local DFW Pool Maintenance Checklist

Stop guessing. Download the exact month-by-month checklist our certified technicians use to keep Texas pools crystal clear year-round.

Value: $49

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Northlake, TX 76226

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