Leak Detection Dyes (Drain Dyes)
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LEAK DETECTION DYES (DRAIN DYES)


The dyes below can be used for leak detection in such areas drains, guttering, swimming pools etc. .  Their key advantage is that they are visible to the naked eye in very low ppm.

Additionally four of the dyes are also fluorescent.  (These are shown by **) They can be detected at even lower concentrations using a UV lamp.


Typical applications levels for these dyes are 10 ppm or lower.  Samples are approximately 20g in weight and is sufficient for about 2,000 litres.  One kilo of product is su
fficient for about 100,000 litres.

How to find a leak in, for example, a swimming pool is shown here: 
Leak Detection in a pool

If you detecting leaks where drinking water is involved, it would be best to use the blue dye, E133 Brilliant Blue FCF.

Bestoil Pyranine 01 is the best dye to use if searching for leaks in a heating system.


If you are detecting oil leaks, Bestoil Green FYG is recommended.  For an example of finding leaks in engines and gearboxes is shown here:  Tracing Oil Leaks

Samples are available for each dye at £8.40 (£7.00 + VAT). This is refunded if you subsequently buy 1 Kg or more of the same dye.

If you need help please contact the company. Please click on Contact Us.


If you require UV detection equipment, please contac Glowtec UK who will be able to supply the right equipment for your end use. Click here for information on the different types available. UV lamp information

Technical help is given to the best of our general knowledge  without guarantee  or warranty.
It is the responsibility of the user to test the suitability of the products under their processing conditions
Home > Applications > Leak Detection Dyes (Drain Dyes)
Ebest Fluorescein LTC (Acid Yellow 73 CI 45350) **
From £25.00 per Kg ex. VAT From £30.00 per Kg inc. VAT
Bestoil Pyranine 01 (Solvent Green 7 CI 59040) **
From £65.00 per Kg ex. VAT From £78.00 per Kg inc. VAT
Ebest Rhodamine B (Acid Red 52 CI 45100) **
From £48.00 per Kg ex. VAT From £57.60 per Kg inc. VAT
E133 Brilliant Blue FCF Granular (Food Blue 2 CI 42090)
From £44.00 per Kg ex. VAT From £52.80 per Kg inc. VAT
Bestoil Green FYG (Solvent Green 5 CI 59075) **
From £81.00 per Kg ex. VAT From £97.20 per Kg inc. VAT