The DT601 Leakmaster® Dye Tester is a professional-grade pool leak detection tool designed for reliable identification leaks in swimming pools and spas.
The DT601 Leakmaster® Dye Tester is a professional-grade pool leak detection tool designed for precise, reliable identification of structural and fitting leaks in swimming pools and spas. Pre-filled with concentrated blue leak-detection dye, this syringe-style tester allows technicians, pool professionals, and homeowners to visually confirm leaks by observing dye movement toward cracks, fittings, or penetrations.
Engineered for underwater accuracy, the DT601 features a long, controlled-flow applicator tip that minimizes water turbulence, ensuring the dye stays intact until it reaches the suspected leak point. This makes it an essential diagnostic tool before committing to costly repairs.
Key Features & Benefits
- Pre-Filled Blue Dye Syringe
Ready to use out of the package—no mixing, no mess. - High-Visibility Leak Detection Dye
Concentrated blue dye provides clear visual confirmation of leaks underwater. - Precision Applicator Tip
Long needle tip reduces unwanted currents and allows pinpoint application. - Reusable Syringe Design
Durable barrel allows multiple uses when refilled properly. - Professional Diagnostic Accuracy
Dye is drawn toward leaks, cracks, and voids for fast identification. - Safe For Pools & Spas
Dye disperses cleanly without staining surfaces when used as directed.
Compatible Applications
- In-Ground Swimming Pools
- Above-Ground Pools
- Spas & Hot Tubs
- Concrete, Gunite, Fiberglass & Vinyl Pools
- Pool Lights & Niches
- Returns, Skimmers & Main Drains
- Steps, Cracks & Structural Seams
- Plumbing Penetrations & Fittings
Common Use Cases
- Diagnosing unexplained water loss
- Confirming suspected structural cracks
- Locating leaks around pool lights and returns
- Verifying leak location before repairs
- Professional pool inspections and service calls
How It Works
- Turn off pool circulation and allow water to become still
- Hold the syringe upright with plunger down
- Apply a small ribbon of dye near the suspected leak area
- Observe dye movement—dye will be pulled toward the leak if present
Technical Specifications
- Part Number: DT601
- Product Type: Pool Leak Detection Dye Tester
- Dye Color: Blue
- Application: Underwater
- Form Factor: Syringe With Precision Tip
- Condition: Pre-Filled, Ready To Use
- Reusable: Yes
Why Choose the Leakmaster® DT601 Dye Tester?
Trusted by pool professionals, the DT601 Leakmaster® Dye Tester delivers reliable, repeatable results without guesswork. Its controlled dye release and high-visibility formulation make it one of the most effective tools for identifying leaks quickly—saving time, water, and repair costs.
Whether you’re a service technician or a pool owner troubleshooting a mystery leak, this dye tester is a must-have diagnostic solution.
Please be advised that certain manufacturers - including Pentair® (with their TradeGrade® products), Jandy®/Fluidra® (with their Trade Series Exclusive™ products), and Hayward® (with their Expert Line® products) - do not honor manufacturer warranties on specific product lines purchased online.
These policies are intentionally enforced by the manufacturers to prevent customers from purchasing the same products at lower prices online.
Warranty coverage for these products is generally only available when purchased in person from an authorized local dealer.
While we strive to take care of our customers by offering the lowest possible prices on brand new, genuine products, we do not provide warranty coverage ourselves, nor can we guarantee that the manufacturer will honor the warranty on products purchased from our online store.
It is the buyer’s responsibility to confirm warranty eligibility directly with the manufacturer before making a purchase.
If you are a local customer, you may be able to purchase these items in-store and obtain manufacturer warranty coverage. However, for many of our customers across the country, paying significantly more locally just to access a manufacturer warranty often doesn’t make financial sense, especially when some local suppliers charge considerably higher prices.
By completing your purchase, you acknowledge and agree that we are not responsible for warranty support or claims denied by the manufacturer due to their online sales restrictions.
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