Chara

Recommended Treatments

Hydrothol (Granular)
from $132.90

Broad-spectrum granular aquatic algicide and aquatic herbicide for use in lakes and ponds.  Works on most prevalent submerged weeds and and troublesome algae.  Apply when weeds and algae are actively growing. 

  • Treats Weeds:  Milfoil, Hydrilla, Hygrophila, Naiad, Elodea Canadensis, Coontail, Bur Reed, Pondweed, Vallisneria, Zannichellia and Water Stargrass

  • Treats Algae:  Planktonic, Filamentous and Branched Algae

  • Coverage:  40 lb – average 3 ft water depth at 90 ft by 100 ft (9000 square feet) or 2250 square ft per 10 lb

  • Application:  Apply consistently across targeted area.  Apply with a hand scoop or spreader

  • Quantity:  20 lb and 40 lb

Product Label

Safety Data Sheet

Blue Stone Crystals - Copper Sulfate (Granular)
from $63.90

Best solution for effective control of swimmers itch and algae. It is the most basic copper compound that has been used for years as an algaecide. It is not very effective in hard water and can be toxic to fish in soft water. Multiple applications may be needed throughout the summer.

  • Treats: Swimmers itch and algae

  • Coverage: Use 5 lbs/acre/ft or at 3 ft average water depth – use 15 lbs/acre. See label for additional instructions.

  • Application: This product is toxic to fish due to oxygen depletion. Do not treat more than ½ the lake or pond at one time. Specific application instructions required – please see product label for more information. Use hand scoop or spreader.

  • Quantity: 5 lbs, 10 lbs and 50 lbs (granular)