Weed & Algae Control

Duckweed and Watermeal are a common nuisance for small ponds that receive a lot of runoff.  The reason is that these floating plants draw their nutrients directly from the water, so ponds that are nutrient rich are prone to their development.  Ultimately to control Duckweed and Watermeal you need to reduce the nutrient load in the water.

The Pond Calculator has moved!   Please visit  https://keystonehatcheries.com/pages/pond-calculator

This page serves as a pathway to identify pond weeds and algae, learn about control options, find a treatment plan and purchase products to contro...

If you are unsure what type of weed or algae you have, and want to know if it is good or bad, and what you should do about it, send us a photo and...

Below are listed general use restrictions for treated water in number of days. Always read product label before application and be sure to check wi...

To use the product selection chart, find the name of the vegetation that you are trying to control, and follow the row to the right. Below is a key...