Depending on water depth and colour density required.
Full instructions on the label.
Hydra Black Water Dye creates an amazing reflective mirror finish in the water body, greatly improving the visual appeal of the landscape. This black water dye is safe on all types of fish and aquatic life. Ideal for use in reflection or infinity pools due to its mirror effect producing quality.
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A friend of mine suggested using a pond colourant in my water pond? Which colour do you suggest? I have white hyacinths and some fish in my pond.
Hydra offers a wide range of colours to adorn your water body. Typically popula shades include black and blue. Black water dyes is a popular choice for colouring water bodies located in resorts and golf courses. Black dyes produce a natural morror finish and reflecting surface againt which your white ornamental plants look stunning. Hydra Black Water Dye like all other dyes is completely safe upon fish, and checks undue algal growth.