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Phycomycin is a Sodium Carbonate
Peroxyhydrate based algaecide and is a wonderful tool in small
ponds where oxygen depletion is a major concern. As the active
ingredient in this product breaks down it puts more Oxygen into the
water column, which helps to counteract the dying plants that are
removing it. This product is designed to be used where copper is
not an option such as Koi ponds and Trout farms.
Phycomycin is a granular product that
attacks planktonic and filamentous algae on contact. You can
actually see it working as you apply. Fast acting, it leaves behind
no harmful residues and adds bio-available oxygen to the water.
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Phycomycin is effective both as an
algaecide (eliminating existing blue-green algae
infestations) and as an algaestat (i.e., retarding and
preventing new growth). It works quickly, and neither it nor its
byproducts (hydrogen peroxide and oxygen) linger in the
Phycomycin's active ingredient, sodium carbonate
peroxyhydrate, creates a powerful oxidation reaction that destroys
algal cell membranes and chlorophyll, providing immediate control
of algae. Fast-acting (within 60 seconds of application), it leaves
behind no harmful residues and adds 13% bio-available oxygen to the
water. See chart below. Can also be applied as a spot or perimeter
*Consult Label for Exact Doses
& Important Application Directions.
**Acre/feet are calculated as surface acres of
pond X average depth. Example: 148 ft. x 148 ft. = 0.5 acres.
Average depth 4 ft. Acre/feet = 0.5 acres X 4 ft. = 2 acre/ft.
When used at the labeled rates, Phycomycin will not harm
fish (including sensitive fish such as rainbow trout), plants or
aquatic life. Phycomycin is labeled for use up to 90 lbs. per
acre foot of water. EPA approved and NSF/ANSI Standard 60 certified
for drinking water application.
Begin application in spring as water temperature warms to 60º F
and above. Early treatment when growth first appears or begins to
create a nuisance will reduce the amount of Phycomycin you
will need. Early treatment will also reduce the amount of dead
Heavy, out of control growth may require more than one
application or physical removal to gain control. For best results,
use under conditions of minimal water flow. Apply early on the
morning of a calm, sunny day.
*All pesticides can be harmful to health and the environment
if misused. Read the label and follow directions. Consult with your
agency before applying herbicides and algaecides to public
waters. There are herbicides from other states that are either not
licensed in Wisconsin or Illinois, or are not recommended by
A WI DNR Aquatic Plant Control Permit or
DATCP Fish Farm License is required in WI in order to apply
algaecides or herbicides. In addition ponds and lakes with
overflows not contained on the property are required to obtain a WPDES
permit. Illinois Residents are required to obtian NPDES permits
through the Illinois
In order to apply chemicals in
liquid form within Wisconsin, the applicator must be licensed with
pesticide or treatments for specific algae or aquatic plants are
provided for general information purposes only - no warranties are
expressed or implied.
California - Connecticut
- Delaware - Hawaii - New Hampshire
- New Jersey - New
York - Maine -
Maryland - Massachusetts
-Oregon - Rhode
Island - Washington
Vermont (for additional information about
these restrictions please see shipping or
Aquathol K, Reward, Weedtrine D,
& Sonar products can not be shipped without a permit
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