Aquashade contains a blend of blue and yellow dyes designed to absorb specific wavelengths of light critical to plant photosynthesis. Treated water will retain a light aqua-blue tint following application.

For best results, apply Aquashade as a pre-emergent (prior to plant germination) before the growing season. Aquashade may even be applied directly onto ice cover, (where applicable). Use during the growing season, Aquashade can suppress the rate and extent of underwater growth, but may not eliminate it.