Lake Shadow Dye - 1Kg Treats 4,000,000LPond and lake dyes are an effective solution for controlling algal growth by disrupting the photosynthesis process. When applied, the dye filters out the 'red' spectrum of sunlight, preventing it from reaching underwater weeds and algae. This acts like a light filter, similar to how sunglasses block UV radiation, and inhibits photosynthesis. In combination with ByoFix Lake Bacteria, this method targets algae at its source, offering a more sustainable