Applied Biochemists Aquatic Algaecide Copper Sulfate Crystals 5 lb Miller Manufacturing It is made from dehydrated

It is made from dehydrated and ground Norwegian Kelp (Ascophyllum Nodosum)

ready to use & includes all components & instructions needed to test all 4 variables ph

May also be spot cleaned

great for crafts & outdoor projects

25 joule output

Applied Biochemists Aquatic Algaecide Copper Sulfate Crystals 5 lb Miller Manufacturing It is made from dehydratedAB Brand Copper Sulfate Crystals are concentrated dissolvents which control planktonic and surface filamentous algae and is also labeled for root control in sewer lines. Fast acting algaecide High grade crystals Dissolves quickly in water NSF ANSI Standard 60 OMRI certified for organic use