CS1 is produced from UK hand harvested Ascophyllum nodosum. Its is made using an extended, multi-stage, aqueous extraction process. It has a low a pH around 4.5 and is ideal for blending and tank mixing. It is higher in bioactive compounds than most of the leading seaweed extract brands. Supplied in bulk at the most affordable rates in the market, CS1 is a high-quality, easy-to-use product. It comes with internal & external trial data for buyer confidence.