EcoBlue concentrated

Use only 1/4 liter of EcoBlue concentrated to get the same result than 1 liter of classic liquid dye! A single quarter per 1,000,000 gallons of pond water. We recommend to use the EcoBlue concentrated in controlled bodies of water such as ponds, lakes, fountains and others. EcoBlue gives beautiful blue water and is harmless to animals and fish when used appropriately. Lasts up to 4 months depending on sun exposure.

More chemical products available here.