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How are algae able to grow in the winter when everything else is dormant? | Ponds & Lakes Q&A

Q:How are algae able to grow in the winter when everything else is dormant?

Q: How are algae able to grow in the winter when everything else is dormant?

Patrick – Vandalia, IL

A: Algae can be tough little buggers. An estimated 72,500 algal species exist worldwide, and some of them can thrive in inhospitable conditions, including areas with ice and snow. With a handful of nutrients and a little bit of light, they’re able to grow – even in the 39 degree water under the ice in your lake.

But if your lake’s water is clean and clear during the spring and summer, how can it explode with algae in the winter?

Food Aplenty

Algae feed on byproducts of decomposing organic debris, like phosphorous and nitrogen, in the water. During the warmer months, natural bacteria would typically break down these nutrients, leaving little food for the organisms. But in the cooler months, those bacteria go dormant. That means the algae enjoy a feast – and a population explosion.

If you keep a hole in your lake’s ice, you can help control the nutrient density with a product like Pond Logic® EcoBoost™. This bacteria enhancer, which has no temperature restrictions, binds suspended organics while providing trace minerals to fish. Simply mix it with water and pour it into the lake.

Let There Be Light

Algae also require sunlight to thrive – but not much. Even through a clear, solid sheet of ice, algae can get enough light to use for photosynthesis. When that light is impeded, however, the algae won’t grow as quickly.

A layer of thick snow cover is Mother Nature’s way of preventing light from penetrating the water, but you can also use pond dye, to block those rays. The blue or black dye comes water soluble packets that are simple to use: Just toss two packets per acre into the lake, and the shade will inhibit algae growth.

Algae’s Benefits

Believe it or not, algae growth in the winter does have its benefits. It helps to filter the water, and on warmer days it’s a great snack for your fish. Plus, when the algae photosynthesize, they give off oxygen as a byproduct – which is then available for your fish (and other aquatic critters) to breathe.

Don’t worry: The algae won’t take over your pond like it does in the summer. It can grow, but the cold temperatures aren’t ideal for explosive outbreaks. If you’re concerned, however, try some EcoBoost and Pond Dye. They’re safe for your fish, and they’ll keep that algae under control until spring.

Pond Talk: Have you seen algae growing beneath the ice in your pond or lake?

Shade & Protect Your Pond - Pond Logic® Pond Dye Packets

Is it too cold to use bacteria? If so, is there anything else I should continue to use now? | Ponds & Lakes Q&A

Is it too cold to use bacteria? If so, is there anything else I should continue to use now?

Is it too cold to use bacteria? If so, is there anything else I should continue to use now?
Susan – Cincinnati, OH

Like lots of living creatures, beneficial bacteria appreciate a cozy, comfortable environment. And from their bacterial perspectives, water temperatures below 50 degrees Fahrenheit are no longer cozy at all. That’s why we recommend against the use of bacteria when the water falls below that threshold.

Regardless of the temperature, many pond owners enhance the beauty of their water feature with the use of our Pond Logic® Pond Dyes. These dyes are available in Nature’s Blue™, Twilight Blue™ or Black DyeMond™ colors, and are completely safe for people, pets, and aquatic life. And whether you choose to add them during winter months – or all year ‘round – they add a touch of elegance to any backyard pond.

In addition to our Pond Dyes, it’s wise to consider the use of our Pond Logic® EcoBoost™ Bacteria Enhancer. With its unique, safe formulation, EcoBoost™ binds with phosphates and other harmful toxins that can be harmful to fish and plants, and introduces more than 80 helpful trace minerals to keep water clear and healthy. While EcoBoost™ doesn’t contain bacteria, its formulation helps to make pond water safe for beneficial bacteria to thrive. We recommend its continued use until your pond freezes over – which will help to ensure a good head start when the ice goes out, and preparations begin for a new season.

Pond Talk: What maintenance do you continue to do throughout the winter months?

Pond Logic EcoBoost

Using Pond Dye to Shade Your Pond – Pond & Lake Q & A

Picture of blue pond dye & black pond dye

Pond & Lake Q & A

Q: How do you turn a one acre pond blue in color? My wife has fish in it and wants the blue tint? – Scott of Mississippi

A: Turning your pond a blue color is a great way to not only to provide your pond with a beautiful blue shade, but also will reduce the amount of sunlight that penetrates through the pond. Surprisingly enough, just one quart of Nature’s Blue™ Pond Dye will shade a one acre pond (43,560 sq. ft.) with an average depth of 4′-6′. I would use one quart, wait 24 hours and evaluate. If you would like a deeper color add another 1/2 quart. Also, with Nature’s Blue™ Pond Dye, there are no water use restrictions and it is safe for fish, birds, pets, horses, livestock and wildlife.

If you are more into beautiful reflections and a richer tone instead of the blue shade, I would recommend Black DyeMond™ Pond Dye.

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