Not all pond dyes are created equal. Some brands are highly diluted, making the value much less than a high-quality, highly concentrated. Another differentiator is EPA registration. EPA Registered dyes have been tested in 3rd party labs and shown that the product label is accurate and that the dye is effective. You can rest assured that the registered formulation does in fact control algae and submersed weeds. At SePRO, we have the only EPA registered dye on the market: Aquashade.
Check Out This Video To Learn More About the Benefits of Aquashade