Glow in the Dark Additive For Grout - 50g

This fluorescent type of powder can be added to our white grouts to really make it glow!

For best results, leave it out in direct sunlight to charge. Depending on how long it is charged, it will make the contours of your mosaic glow in the dark for hours.

Please Note:

This glow-in-the-dark powder should be added in proportions between 10% and 20%.