Pak 27 Algaecide (50 lb) is a non-copper alternative algaecide that works as both a selective and broad-spectrum algae control solution. Pak 27 works to selectively control for various cyanobacteria/bluegreen algae, and provide general control of sensitive green algae and diatoms. Pak 27 can be used with Captain XTR or other SePro algaecides to tackle tough-to-control algae. Pak 27 is also a safe option for sensitive fish, such as koi and trout.
Controlled Pest: algae
Use on: lakes, ponds, drinking water reservoirs, irrigation, drainage ditches, other listed areas.