אבקת זרחן לבדיקת דליפות 200 גרם צהוב – לא רעיל

The dyes are soluble in water and are used to locate the direction of water flow in pipes, drains etc. The best way to use the dye is to dissolve the required amount into about five litres of water and then add into the flow or tank. The dilution rates assume that the dye is being added to clean water, dirty water will require a greater concentration.