Each year we have several clients here in Oklahoma contact us about a "String Algae" bloom in their ponds/water features that occurs in the colder months. (The stringy green stuff that sometimes forms on your waterfalls, streams and rocks). The reason for this is the unseasonably warm weather we have been having here in Central Oklahoma. Your plants have already gone into dormancy for the winter so they are not using nutrients from the water the way they would in the springtime since the nighttime lows are still down in the mid to low 30's. However, the water is warming enough in the daytime to cause some biological activity thus causing a nutrient increase in the water. Since the plants are not actively using nutrients, Mother Nature is taking over and offering "String Algae" as a solution to remove the nutrients and keep your water healthy.
WARNING....... DO NOT FEED YOUR FISH!!!
Even though the air temperature may warm up and your fish seem active during the day, the average water temperature is still below 55 degrees and your fish's metabolism will not support normal feeding.
If the String Algae becomes excessive, there are some steps to control it.
Add some Cold Water Beneficial Bacteria. It is a more concentrated bacteria made for cold weather when regular bacteria will not colonize and filter nutrients. Remove excess leaves and debris from the pond. Dead leaves provide excess nutrients in your pond, giving algae a great source of nourishment. If the string algae isn't affecting the flow of water to your skimmer and waterfall, just pull out the excess using a fine net, a stick or your hands.
Do not use your bare hands to remove this algae. Even though the air temperature may be warm, your water temperature is still VERY cold. You should wear waterproof garden gloves.
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Continental Ponds is offering this pond information as a personal information source to our website visitors. Pond services are performed in Oklahoma City, Norman, Moore, Nichols Hills, Edmond, Yukon, Shawnee, Newcastle, Mustang, Bethany, Piedmont, Guthrie, Jones, Chandler, Midwest City, Del City, Shawnee, Tuttle, Blanchard, Bridge Creek , Warr Acres, Woodlawn Park, Lawton. Fish and Koi Pond Maintenance and Construction, Streams and Waterfalls, and Fountains are all in our wheelhouse of talent. Explore our website for more ideas. Like our Facebook page for daily tips and inspiration.
Tim Trammell has been building, designing, servicing and maintaining pond in the Oklahoma City Metro area for over 20 years. His company Continental Ponds, is Oklahoma's first Master Certified Aquascape Contractor and is an national award winning pond and water feature builder.