Standard 3-Way Swimming Pool & Spa Water Test Kit - Test Water for pH, Chlorine, and Bromine
3-way swimming pool and spa water test kit with blue storage case, testing block, and reagent bottles.
Open 3-way swimming pool and spa water test kit with reagent bottles and color-coded testing comparator.
Components of 3-way swimming pool and spa water test kit including storage case, test solutions, and comparator.
Hands holding a 3-way swimming pool and spa water test kit with color-coded pH, chlorine, and bromine reference chart.
Man holding a 3-way swimming pool and spa water test kit color comparator for pH, chlorine, and bromine levels.
Three-step instructional graphic showing how to use a 3-way swimming pool and spa water test kit.
Family enjoying a swimming pool, promoting the use of a 3-way water test kit for pool and spa maintenance.
3-way swimming pool and spa water test kit with blue storage case, testing block, and reagent bottles.
Open 3-way swimming pool and spa water test kit with reagent bottles and color-coded testing comparator.
Components of 3-way swimming pool and spa water test kit including storage case, test solutions, and comparator.
Hands holding a 3-way swimming pool and spa water test kit with color-coded pH, chlorine, and bromine reference chart.
Man holding a 3-way swimming pool and spa water test kit color comparator for pH, chlorine, and bromine levels.
Three-step instructional graphic showing how to use a 3-way swimming pool and spa water test kit.
Family enjoying a swimming pool, promoting the use of a 3-way water test kit for pool and spa maintenance.

Standard 3-Way Swimming Pool & Spa Water Test Kit - Test Water for pH, Chlorine, and Bromine

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Standard 3-Way Swimming Pool & Spa Water Test Kit - Test Water for pH, Chlorine, and Bromine

Key Features

  • Tests three essential water balance parameters: Free Chlorine (FC), Bromine (Br), and pH.
  • Includes a clear-view water comparator block with integrated color standards.
  • Contains one 0.5 fl oz (15 mL) bottle of OTO solution for chlorine and bromine testing.
  • Contains one 0.5 fl oz (15 mL) bottle of Phenol Red solution for pH testing.
  • Packaged in a durable plastic case for storage and transport.

Replaces / Cross-Reference Part Numbers

  • Comparable to Taylor K-1001
  • Alternative to basic OTO and Phenol Red liquid test kits.

Compatibility & Fitment

  • For use with residential and commercial swimming pools and spas.
  • Suitable for water sanitized with chlorine or bromine.
  • Not intended for use with biguanide sanitizers or pools with copper ionizers.

When to Replace

  • Replace testing solutions annually or by the expiration date printed on the bottles to ensure reading accuracy.
  • Replace the comparator block if it becomes stained, scratched, or faded, which can affect color matching.
  • Reagents can be damaged by extreme heat or cold; replace if they have been frozen or stored above 100°F (38°C).

Installation Tips

  • Rinse the test vials with pool or spa water before and after each use.
  • Collect the water sample from a depth of 12-18 inches (30-45 cm), away from jets or returns.
  • Hold dropper bottles vertically to ensure uniform drop size when adding reagents.
  • Cap the vials and invert several times to mix; do not shake vigorously.
  • Read test results immediately, as colors may change with time. View the comparator against a neutral white background for best results.
Standard 3-Way Swimming Pool & Spa Water Test Kit - Test Water for pH, Chlorine, and Bromine 1
Standard 3-Way Swimming Pool & Spa Water Test Kit - Test Water for pH, Chlorine, and Bromine 2
Standard 3-Way Swimming Pool & Spa Water Test Kit - Test Water for pH, Chlorine, and Bromine 3
QUICK AND PRECISE

QUICK AND PRECISE

Equipped with two precision-formulated dropper bottles: a 1/2 ounce of OTO (Orthotolidine) Chlorine Test Solution for reliable chlorine measurement, and a 1/2 ounce of Phenol Red pH Test Solution to gauge pH levels accurately.
INNOVATIVE DESIGN

INNOVATIVE DESIGN

BlueStars PH & Chlorine Test Kit includes a specially designed clear-view water testing block, featuring an accurate scale and color-coded markings for straightforward chemical level assessment.
BLUESTARS POOL PARTS THE KEY TO YOUR POOL'S LONGEVITY

BLUESTARS POOL PARTS THE KEY TO YOUR POOL'S LONGEVITY

BlueStars pool replacement parts offer strict quality control to give you the best experience, backed by our enduring commitment to excellence!

Compatible Models

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FAQs

This kit is intended to test three common water-balance readings: pH, chlorine, and bromine. That makes it useful for routine monitoring of both swimming pools and spas that use either chlorine- or bromine-based sanitizing systems.
Yes. A 3-way kit like this is commonly used for either chlorine-treated water or bromine-treated water, along with pH testing. It can be a practical choice if you maintain a swimming pool, hot tub, or spa and need to monitor sanitizer levels as part of regular water care.
For most setups, testing at least 2 to 3 times per week is a good starting point, and spas often benefit from even more frequent checks because their smaller water volume changes chemistry faster. You should also retest after heavy use, rainfall, adding chemicals, refilling water, or noticing cloudy water or irritation.
Common signs include cloudy water, strong chemical odor, eye or skin irritation, algae growth, staining, or water that looks dull instead of clear. These symptoms can point to sanitizer levels or pH being out of range, so testing is one of the first steps before adding more chemicals.
Take the sample from elbow depth if possible, away from return jets or skimmers, and follow the test instructions carefully for drop count, timing, and color comparison. Rinse the test cell before and after use, avoid touching the inside of the vials, and test the water soon after collecting the sample for more reliable readings.
Sanitizer and pH can shift بسبب sunlight, heat, bather load, rain, fresh fill water, and recently added chemicals. Spas are especially sensitive because warm water and small volume can cause chlorine or bromine demand to rise quickly. Frequent testing helps catch those changes before they lead to cloudy or uncomfortable water.
Test first, then make one adjustment at a time. Also check whether the filter is clean, circulation is adequate, and the water has had enough time to mix after prior chemical additions. If sanitizer seems hard to maintain, inspect for high bather load, excessive sun exposure, or filter and circulation issues rather than repeatedly overcorrecting with chemicals.