Airmax KnockDown Defense Aquatic Weed and Algae Control 16 oz. flatrate Each bag measures 18" x

Each bag measures 18" x 24"

Heavy-duty construction securely holds up to eight 32 oz

Non-siphoning

recharge a USB device

Airmax KnockDown Defense Aquatic Weed and Algae Control 16 oz. flatrate Each bag measures 18" xAirmax KnockDown Defense 2 in 1 Algae & Aquatic Weed Control rapidly clears nuisance vegetation from your pond. This broad spectrum algaecide plus herbicide formula provides long lasting control of floating algae and aquatic weeds. Perfect for combatting invasive and hard to treat plants like watermilfoil and hydrilla. Combine with Airmax Treatment Booster Plus to penetrate cell walls for faster results. Rake out dead vegetation to protect against