MARC 70-G GRANULAR COPPER SULFATE
A granular algaecide and root killer. Effective against many types of algae in lakes, ponds and reservoirs.  Also controls roots in sewer and storm drains. EPA Registered. 

MARC 70-L"SUPER BLUE"
Large crystal copper sulfate. Dissolves slowly.  Works as an algaecide and sewer/drain root killer.  EPA Registered. 

MARC 86 SWIMMING POOL ALGAECIDE
Concentrated.  Keeps pool water clear and free of visible algae.   Controls algae slimes.  EPA Registered. 

MARC 188 ALGAE STRIPS
A microbicide for commercial and industrial air conditioning drip pans.   Continuously controls fouling and inhibits the growth of slime-forming and odor-causing bacteria.  EPA Registered. 

MARC 220 COOLING TOWER MICROBICIDE
A non-foaming blend of two compounds used to control algae and bacteria in recirculating cooling towers. Compatible with other commonly used cooling tower treatments. EPA registered.