Mainly used for aesthetics, aquatic colorant adds a colored tint to the water.

A harmless blend of dyes that come in blue and mirror black varieties.

Some unusual color outcomes can occur based on starting water color.

Some products advertise special dyes that filter out UV waves of sunlight.

A reduction in sunlight can have an impact on plant growth in theory.

Shallow water needs to be dyed very dark for adequate light reduction.

Rains can quickly wash out or dilute these pricey applications.

Used as a supplement to a chemical control program can produce nice visual results.