Pond Block - 4 Blocks

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SKU: 247803
Manufacturer: Jungle Labs
MPN: 16735

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Pond Block offers an easy, effective way to control pond algae control. Simply drop into your pond regularly to maintain algae growth. One block treats 250 gallons.

Read more about algae control in ornamental ponds and using algaecides here.


Jungle Labs
Package Size4 pk.
Treats up to3000 gal.
Active IngredientsCopper Sulfate pentahydrate: 1.02%, Diuron [3-(3,4-dichlorophenyl)-1, 1-dimethylurea]: 0.51%
EPA Registration #33034-1-ZA-81584
Internal Id

State Restrictions


Active Ingredients:
Copper Sulfate pentahydrate, 1.02%
Diuron [3-(3,4-dichlorophenyl)-1, 1-dimethylurea], 0.51%
Other Ingredients, 98.47%


Do not apply this product in a way that will contact adults, children, or pets either directly or through drift. For containerized ponds and fountains only. Pond Block is limited for use in backyard/home ponds and water fountains (maximum 3000 gallons). Do not use fish from treated ponds or fountains for food or feed. Pond Block helps clear cloudy water and remove algae from ornamental pond/fountain water. Use one block for water volumes between 100 and 250 gallons. Initial dose may require one block for each 100 gallons. For regular maintenance replace block when fully dissolved (usually after 30 days). Not recommended for use with live plants.

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