Invisible Blue UV Reactive Water Dye Concentrate (3 sizes)

Stunning invisible blue glycol-free, non-toxic concentrate for water. Ideal for stain-free leak detection, PC cooling systems, water lamps, special effects, water fountains and water curtains. Not suitable for aquaria and not suitable for ingestion. Available as a super concentrate in 50ml, 250ml and 5 litre bottles.

Mix rate guide from 1:500 up to 1:2500 depending on intensity required.

Check the video on the left for a visual demonstration. Note that this formulation has changed slightly. Under white light the dye has an opaque yellow-ish colour. The depth of colour under UV will depend on the strength and wavelength of light that you are using. More power = more fluorescence.

This is an exclusive UV Gear product specially made by us after extensive research and development.

Weak Response - 50ml will dye 25 litres of water

Strong Response - 50ml will dye 12.5 litres of water

See above for our leak detection kits including a 76 LED torch.

See above for alternative dye colours.