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Natural Algae Prevention
We recently had a question sent to us from a pond owner who is looking to prevent algae from growing and to combine “all natural” products with aeration. John Redd, Owner of Outdoor Water Solutions offered the following suggestions: Step 1: Keep colorant in your pond year around. It should have a consistent blue/dark blue appearance that is pleasing in color, but more importantly, filters the sunlight and keeps it off of the bottom. The amount of dye is dependent on pond size, pond depth, rainfall and sunlight. On a 1 acre pond that is 4’ deep on average, we would typically recommend 1 quart of concentrate to start. If 8’ -12’ deep, it would probably take 2 quarts to start assuming there is no residual colorant left from last year. Then you would add a ½ quart each month or two to keep the color year around depending on how much rain and/or dilution you might get. You can always add some, give it a day or two, then add more until you get the color you want. You should not be able to see the bottom at 2’-3’ of depth. Algae can grow anytime, even over winter, so having a colorant in your pond all year is critical to preventing algae growth. Step 2: Add supplemental aerobic bacteria every 2 weeks once the water temperature hits 50 degrees. For a one acre pond, you would add 8 packets (4 pounds) every 2 weeks. Toss it in around the edges of the pond and out in the middle. These are water soluble packets that dissolve and increase the # of aerobic bacteria in your pond with the objective of breaking down excess nutrients and organic matter. Step 3: Selectively control algae that appears. Some people use an algaecide. Others use a lake rake and pull it into shore and dispose of it. Keeping it from sinking to the bottom and adding to your existing muck is typically a good idea. Have a question? Contact us today or Call Us 1.866.471.1614!
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Surface Aeration For Pond Algae Control
Surface Aeration All ponds and lakes will benefit from aeration. Pond aeration is just like adding air to an aquarium. With air, the aquarium stays fairly clean. Shut off the air and it starts to turn green. Adding oxygen to a pond helps aerobic bacteria thrive. They are the lifeblood of a healthy pond as aerobic bacteria are much more effective than anaerobic bacteria at breaking down organic matter and excess nutrients. Bottom diffused aeration brings water from the bottom of the pond to the surface where it comes in contact with sunlight and wind, which add viable oxygen. This water then goes back down to the bottom where the aerobic bacteria can start to eat the black organic matter and muck on the bottom. Surface aerators – effective on ponds with higher fish stocking rates. They can add supplemental oxygen needed to keep fish alive in the warmer summer months. They’re not as effective as bottom diffused aeration in circulating the water from top to bottom and eliminating stratification unless the pond is fairly shallow (< 8 feet). Fountains – they look great but are not really designed for aeration. They can help, especially in shallow ponds but do not add as much oxygen as a surface aerator or bottom diffused aerator. The existence of algae in you pond may be a fact of life, but it is good to know that there are ways to prevent excessive growth of it and there are ways to control it with some patience and the right tools. Outdoor Water Solutions manufactures a wide range of pond and lake products for algae control. You can learn more at www.Outdoorwatersolutions.com or by calling 1-866-471-1614 for a free catalog.