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Do pond weeds stop growing during the winter months? | Ponds & Lakes Q&A

Q: Do pond weeds stop growing during the winter months?

Q: Do pond weeds stop growing during the winter months?

Allen – Marcola, OR

A: Unfortunately, it’s tough to give you a definitive answer. The growth pattern of aquatic weeds and algae really depend on where a particular pond or lake is located. Weed growth in a Florida pond, for instance, will be different from weed growth in a Minnesota pond!

In general, however, you can expect to see different pond weeds pop up at different times of year based on environmental temperature, just like the weeds in your lawn. If your pond or lake freezes over, the perennial weeds will typically die back in the winter and re-emerge in the spring. Some plants, however, will continue to grow throughout the cold season, though at a much slower rate than you’d see in the warmer summer months.

Trouble surfaces when water temperatures drop to the point where your algaecides and herbicides become ineffective – but the weeds continue to grow. Algae Defense®, for example, stops working when the water is below 60° Fahrenheit, and the beneficial bacteria in PondClear™ slow down to almost a stop when temps fall below 50°F.

So what can you do?

When the chemicals and bacteria are no longer working for the winter, it’s time to turn to Pond Logic® Pond Dye. An effective year-round treatment, Pond Dye shades the water and reduces the amount of sunlight reaching the weeds and algae growing at the bottom of your lake. Less sunlight means fewer weeds, regardless of the temperature or time of year.

Pond Logic® Pond Dye comes in two formulations: Easy-to-use packets and quarts of concentrated liquid. To use the packets, which come in Nature’s Blue™ and Black DyeMond™, simply toss several in water at various locations around your pond or lake. The packet will dissolve and the dye will disperse throughout the water. To use the concentrated liquid, which comes in Nature’s Blue™, Twilight Blue™ and Black DyeMond™, pour the dye in several spots along the pond’s edge. There’s no mixing required.

If wintertime weeds are taking over your pond, consider adding Pond Dye. Not only will it shade your water and hinder weed growth, but it will also add to the aesthetics of your landscape.

Pond Talk: Do you battle weed growth year-round where you live?

Shade and Protect Your Pond Year Round - Pond Logic® Pond Dye Packets

Is it too cold to add dye to my pond? | Ponds & Lakes Q&A

Is it too cold to add dye to my pond?

Q: Is it too cold to add dye to my pond?

Michele – Woodville, OH

A: Yes, you can add dye to your pond—even at this time of year. Most types of pond dye, including Pond Logic® Nature’s Blue™, Twilight Blue™ and Black DyeMond™ Pond Dye, have no temperature restrictions associated with them, so they can be used year round to shade the pond, color the water and beautify your property.

Have some old jugs of dye in the pond shed? Pull them out! Most dye doesn’t go bad over time, so if you have some that’s been stored in a dry, cool (but not freezing) place over the winter, go ahead and use it!

If you’re using a product that contains beneficial bacteria, however, like Pond Logic® Nature’s Blue™ or Twilight Blue&trade Pond Dye PLUS, hold off until water temperatures top 50 degrees Fahrenheit. The product’s bacteria helps break down muck, but they make it temperature-sensitive.

Regardless of the type you choose, the dye can be added to the water every four to six weeks or as needed depending on rain and evaporation. Apply it according to the package’s instructions for the size of your lake or fish pond.

Those new to the task of adding dye to a lake might want to steer clear of the liquid variety as it can be a little messy. Dye packets, like Pond Logic® Nature’s Blue™ and Black DyeMond™ Pond Dye Packets, are a great alternative. These pre-measured water-soluble packets can simply be tossed into the pond without the mess.

Pond Talk: Do you prefer regular pond dye or the dye that includes beneficial bacteria? Why?

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

Fountain Basics – Spring Maintenance & Re-Installation | Ponds & Lakes Q&A

Pond Season Has Begun!

Fountain Basics – Spring Maintenance & Re-Installation

When the weather warms and the ice on your lake melts, it’s time to kick off pond season! But before you dust off your boat and fishing pole, you need to do a little fountain maintenance and installation first.

If you didn’t perform regular upkeep on your fountain when you pulled it out last fall, now’s the time to do so. Here’s a quick list of to-do items before you put the fountain back in place:

  • Power wash the motor so built-up material doesn’t trap heat.
  • Inspect the cord for cuts.
  • If you have muskrats, protect the cord with ratcord.
  • Send the motor in for regular seal/oil maintenance if you haven’t done it in a few years.

Once it’s cleaned up an inspected, you can position your fountain. Be sure your mooring lines are snug enough to hold your fountain in place. If you’re anchoring it with blocks at the bottom of the pond, make sure they’re spread far enough apart so the fountain doesn’t spin from the force of the motor, which could cause the lines to get tangled.

Now is a great time to add that first dose of pond dye, too. Nature’s Blue™, Twilight Blue™ or Black DyeMond™ shade and protect the pond while enhancing its beauty. If you put the dye in at the same time as your fountain, the color will disperse evenly throughout the lake.

Pond Talk: What’s the first thing you plan to do once pond season begins?

Pond Logic® Pond Dye - Shade & Protect Your Pond

My pond is covered in duckweed. What can I do to treat this stuff? – Ponds & Lakes Q & A

Duckweed

Q. My pond is covered in duckweed. What can I do to treat this stuff? – Tony in Indiana

Friend or Fowl
A: For the lucky pond guys and gals out there who have never experienced duckweed in their pond, or those of you who think you may have it but are unsure; duckweed is a very small floating plant with kidney shaped leaves and a small hair-like root hanging below. It is approximately the size of a pencil eraser and is frequently misidentified as algae. It can cut off sunlight to submersed plants and cut off oxygen to fish and other wildlife. Duckweed is an extremely prolific grower and can quickly cover an entire pond making it frustrating to treat and maintain. More often than not, duckweed is introduced into your pond by hitching a ride on the feet of waterfowl.

Don’t Go Daffy Over Duckweed
There are two great options available to you in your fight against duckweed. Choosing the product that is right for you depends on the time frame you have to treat your pond. For fast acting, short term results, you can use a contact herbicide like PondWeed Defense®. Treatments with these types of herbicides work best on mature aquatic plants that are in a contained environment. Multiple treatments are typically required for effective short term control. It is important to remember that whenever you are treating large amounts of weed growth, only treat one third of the pond at a time and implement aeration whenever possible to ensure safe oxygen levels. When treating with PondWeed Defense®, we suggest that you use a tank sprayer to apply the herbicide directly onto the weeds. PondWeed Defense® has no water use restrictions, but if you have koi or trout, make sure you test to make sure the carbonate hardness of your water is above 50 ppm (parts per million).

For long term treatment of duckweed, we suggest using WhiteCap™. By adding WhiteCap™ to your pond in early Spring, you will inhibit the weed’s ability to produce carotene, a pigment that protects the plant’s chlorophyll. Without carotene, the sun quickly degrades the green chlorophyll and the weed dies. WhiteCap™ must stay in your pond for up to 90 days for maximum results, so if your pond has a constant overflow or you are experiencing heavy rains, you may need to include additional treatments. WhiteCap™ is degraded by sunlight, so when applying, make sure you spray the product directly into the water and not onto the plant foliage itself. Also, adding Nature’s Blue™ Pond Dye after treatment will help prevent sun degradation as well as track water dilution from heavy rains. WhiteCap™ has a 30 day irrigation restriction.

POND TALK: Have you ever experienced duckweed in your pond? What did you use to treat it?

Kill Pond Weeds FAST with PondWeed Defense®!

Blue Pond Dye Versus Black Pond Dye – Pond & Lake Q & A

Picture of Blue Pond Dye & Black Pond Dye.

Pond & Lake Q & A

Q: I notice you have a black pond dye. Is there any reason why I should use black pond dye versus blue pond dye? – Nick of New York

A: We’ve received some calls lately about the difference between our Nature’s Blue Pond Dye & Black DyeMond Pond Dyes. What’s the best color for the pond? Is one better than the other? When would I use one of them and not the other? It really comes down to color preference as well as the environment surrounding your pond.

Nature’s Blue Pond Dye is the most widely used of the pond dyes. It looks very good in almost any situation. Our blue dye has a very deep, natural blue shade as opposed to some of the yellowish-blue colors you find with some other brands. Nature’s Blue Pond Dye works great in ponds that have a manicured and open landscape where the open sky can help reflect the color.

Black DyeMond Pond Dye is growing popularity extremely fast in the pond market. What we’ve found is that Black DyeMond pond dye fits very well in natural ponds in wooded areas. It gives the pond a pure, reflective quality that rivals some of Mother Nature’s best work.

Either way, whichever color you choose, blue or black, pond dye is an important aspect of keep your pond looking beautiful all year.

POND TALK: Do you use pond dye in your pond?

Controlling Pondweeds: Duckweed – Pond & Lake Q & A – Week Ending March 28th

Picture of Duckweed Floating in a Pond.

Pond & Lake Q & A

Q: Last year I had an uncontrollable case of duckweed in my pond. It covered my entire 1/2 acre pond! I’ve heard of your product called WhiteCap and wanted to use it this spring. I don’t see any signs of duckweed yet, but was wondering if it is too early to treat.
- Cameron of Michigan

A: Duckweed can take over a pond. This prolific grower can come from many sources although most commonly brought in on the feet of waterfowl such as ducks, geese or even herons. The small plant can stick to the feet or the feathers of such birds and be carried for miles. Duckweed can start out slow and in some cases take several seasons to become a problem, although I would recommend treating for it as early as possible.

There are a few options when treating duckweed. You can use a fast-acting aquatic herbicide such as PondWeed Defense or RedWing although this will only give you temporary relief and require multiple applications of spraying the duckweed directly. These are not usually suggested unless your treatment areas are not contained or you have heavy water turnover. When possible I always suggest WhiteCap. WhiteCap is the least expensive method of treating an entire pond, is easy to apply and lasts an entire season.

We recommend to use 32 oz or 1 quart per surface acre (4-6′ deep) when treating for duckweed. This means Cameron’s 1/2 acre pond can be treated with just 16 oz of WhiteCap!

To answer the question above, treat with WhiteCap in the early spring before the duckweed even appears. This will allow you to get ahead of it before it reaches the surface. Although you don’t generally see it Duckweed is actually growing at the bottom of your pond long before you see it at the surface.

There are also other nice benefits to WhiteCap such as: It works very slowly so there is no chance of oxygen loss that could harm your fish or other aquatic life. WhiteCap is also very effective at controlling most other nuisance aquatic plants. So when your treat for your duckweed you will be controlling most other species as well.

Please Note: WhiteCap needs to stay in your pond for up to 90 days. It is not recommended to use it in ponds with a heavy overflow or when during times of heavy rain. If you are unsure of your pond’s turnover (or amount of water that is exchanged) use Nature’s Blue Pond Dye to shade the water column and track the time it takes for the color to disappear. You may also use Nature’s Blue Pond Dye during a WhiteCap treatment to track turnover and shade the pond from sunlight which can also reduce the life span of WhiteCap.

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