Pisces Banish Black Pond Dye 250ml Water Colour Algae Control Reduce Blanketweed Growth

Banish Black Water Dye is a cost-effective, long-lasting treatment for avoiding green water and aquatic weeds in garden ponds and water features. It works by blocking light in the water, preventing algae growth and adding aesthetic shading to your aquatic landscape. Banish Water Dye is pesticide and herbicide-free and can be used all year round.How to Use: Shake the bottle and remove the cap. Add 1ml of Banish Water Dye per 1 litre (0.22 gallons) of pond water. Add the dye in early spring before algae begins to grow.Specifications250ml - Treats 250 Litres (55 Gallons).